R. Klein

D. Rosenstreich, R. Klein, C. Small, 1998, Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

The effects of illicit drug use and HIV infection on sex hormone levels in women

D. Vlahov, A. Dobs, K. Ghanem, 2006, Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology.

Transmission of the human immunodeficiency virus.

G. Friedland, R. Klein, 1987, The New England journal of medicine.

Activities of antifolate, antiviral, and other drugs in an immunosuppressed rat model of Pneumocystis carinii pneumonia

C. Allegra, M. White, P. Walzer, 1992, Antimicrobial Agents and Chemotherapy.

Guanylhydrazones in therapy of Pneumocystis carinii pneumonia in immunosuppressed rats

M. White, P. Walzer, R. Klein, 1994, Antimicrobial Agents and Chemotherapy.

Increased risk of bacterial pneumonia in HIV-infected intravenous drug users without AIDS.

P. Selwyn, M. Alderman, D. Hartel, 1988, AIDS.

Gender differences in illicit substance use among middle-aged drug users with or at risk for HIV infection.

Yungtai Lo, Y. Lo, D. Hartel, 2006, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Heroin use during methadone maintenance treatment: the importance of methadone dose and cocaine use.

P. Selwyn, J. Kline, D. Hartel, 1995, American journal of public health.

Association of hepatitis C infection and antiretroviral use with diabetes mellitus in drug users.

R. Klein, E. Schoenbaum, A. Howard, 2003, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Biological action of inosine analogs in Leishmania and Trypanosoma spp

R. Klein, D. Nelson, R. L. Berens, 1984, Antimicrobial Agents and Chemotherapy.

Human papillomavirus type 16 and immune status in human immunodeficiency virus-seropositive women.

K. Anastos, S. Gange, J. Palefsky, 2003, Journal of the National Cancer Institute.

High risk of active tuberculosis in HIV-infected drug users with cutaneous anergy.

P. Selwyn, P. Alcabes, G. Friedland, 1992, JAMA.

Cardiovascular implications of HIV-induced dyslipidemia.

J. Badimón, C. Giannarelli, R. Klein, 2011, Atherosclerosis.

Hepatitis C infection is associated with lower lipids and high-sensitivity C-reactive protein in HIV-infected men.

Y. Lo, J. Arnsten, R. Klein, 2007, AIDS patient care and STDs.

A prospective study of tuberculosis and human immunodeficiency virus infection: clinical manifestations and factors associated with survival.

R. Klein, M. Gourevitch, S. Munsiff, 1997, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

The incidence of tuberculosis in drug users with small tuberculin reaction sizes.

R. Klein, M. Gourevitch, E. Schoenbaum, 2001, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Mycobacterium gordonae in the acquired immunodeficiency syndrome.

J. Mckitrick, R. Klein, J. Chan, 1984, Annals of internal medicine.

Development of Proteinuria or Elevated Serum Creatinine and Mortality in HIV-Infected Women

L. Szczech, S. Holmberg, L. Gardner, 2003, Journal of acquired immune deficiency syndromes.

Nutritional biomarkers associated with gynecological conditions among US women with or at risk of HIV infection.

E. Piwoz, C. Heilig, S. Cu-Uvin, 2007, The American journal of clinical nutrition.

Vaginal flora morphotypic profiles and assessment of bacterial vaginosis in women at risk for HIV infection.

C. Heilig, S. Cu-Uvin, R. Klein, 2004, Infectious diseases in obstetrics and gynecology.

Prevalence, incidence, and persistence or recurrence of trichomoniasis among human immunodeficiency virus (HIV)-positive women and among HIV-negative women at high risk for HIV infection.

J. Hogan, S. Cu-Uvin, D. Jamieson, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Longitudinal Analysis of Bacterial Vaginosis: Findings From the HIV Epidemiology Research Study

J. Sobel, S. Cu-Uvin, D. Jamieson, 2001, Obstetrics and gynecology.

Risk factors for squamous intraepithelial lesions on Pap smear in women at risk for human immunodeficiency virus infection.

S. Vermund, R. Burk, R. Klein, 1994, The Journal of infectious diseases.

Cancer incidence in women with or at risk for HIV

D. Vlahov, S. Holmberg, L. Gardner, 2001, International journal of cancer.

Abnormal Vaginal Cytology in HIV-Infected and At-Risk Women After Hysterectomy

C. Heilig, S. Cu-Uvin, R. Klein, 2004, Journal of acquired immune deficiency syndromes.

Urinary tract infections in women with or at risk for human immunodeficiency virus infection.

J. Peipert, J. Sobel, R. Klein, 2002, American journal of obstetrics and gynecology.

Prevalence of lower genital tract infections among human immunodeficiency virus (HIV)-seropositive and high-risk HIV-seronegative women. HIV Epidemiology Research Study Group.

D. Vlahov, J. Peipert, J. Hogan, 1999, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Mucosal candidal colonization and candidiasis in women with or at risk for human immunodeficiency virus infection. HIV Epidemiology Research Study (HERS) Group.

J. Sobel, K. Mayer, S. Ohmit, 1998, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Cervical cytologic abnormalities and papillomavirus in women infected with human immunodeficiency virus.

S. Vermund, R. Burk, K. Schreiber, 1990, Journal of acquired immune deficiency syndromes.

HIV mono-infection is associated with FIB-4 - A noninvasive index of liver fibrosis - in women.

L. Gardner, J. Welge, J. Blackard, 2011, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Factors Associated With Successful Referral For Clinical Care of Drug Users With Chronic Hepatitis C Who Have or Are At Risk For HIV Infection

Y. Lo, R. Klein, M. Gourevitch, 2004, Journal of acquired immune deficiency syndromes.

Prevalence of and risk factors for viral infections among human immunodeficiency virus (HIV)-infected and high-risk HIV-uninfected women.

D. Vlahov, P. Pellett, K. Mayer, 2003, The Journal of infectious diseases.

The association of hepatitis C prevalence, activity, and genotype with HIV infection in a cohort of New York City drug users.

Y. Lo, R. Klein, David L. Thomas, 2003, Journal of acquired immune deficiency syndromes.

Association of HIV viral load with monocyte chemoattractant protein-1 and atherosclerosis burden measured by magnetic resonance imaging

V. Fuster, Z. Fayad, Y. Lo, 2009, AIDS.

Guidelines for Care of Patients with Hepatitis

R. Klein, 1980 .

Differences between Staphylococcus aureus Isolates from Medical and Nonmedical Hospital Personnel

F. Lowy, Maureen Miller, R. Klein, 2002, Journal of Clinical Microbiology.

The Effect of Highly Active Antiretroviral Therapy on Human Papillomavirus Clearance and Cervical Cytology

K. Shah, C. Heilig, S. Cu-Uvin, 2009, Obstetrics and gynecology.

Patterns of Heroin, Cocaine and Speedball Injection Among Bronx (Usa) Methadone Maintenance Patients: 1978-1988

P. Selwyn, D. Hartel, G. Friedland, 1996 .

Potentiation of Antiproliferative Effects of Monoclonal Antibody Lym‐1 and Immunoconjugate Lym‐1‐gelonin on Human Burkitt's Lymphoma Cells with γ‐Interferon and Tumor Necrosis Factor

B. Diamond, M. Rosenblum, J. Dutcher, 1995, Journal of immunotherapy with emphasis on tumor immunology : official journal of the Society for Biological Therapy.

A prospective study of tuberculosis and HIV disease progression.

R. Klein, M. Gourevitch, C. -. Chang, 1998, Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Association of Streptococcus bovis with carcinoma of the colon.

S. Edberg, R. Klein, N. H. Steigbigel, 1977, The New England journal of medicine.

Periodontal disease in heterosexuals with acquired immunodeficiency syndrome.

R. Klein, C. Small, A. Quart, 1991, Journal of periodontology.

Response to pneumococcal vaccine among asymptomatic heterosexual partners of persons with AIDS and intravenous drug users infected with human immunodeficiency virus.

P. Selwyn, R. Klein, G. Schiffman, 1989, The Journal of infectious diseases.

Carcinoma of the colon 2 years after endocarditis due to Streptococcus bovis.

R. Klein, N. Robbins, 1983, The American journal of gastroenterology.

Decreased bone mineral density and increased fracture risk in aging men with or at risk for HIV infection

Y. Lo, J. Arnsten, R. Klein, 2007, AIDS.

Transmission of human immunodeficiency virus (HIV)

Giovanni Di Guardo, Donald S. Burke, Robert R. Redfield, 1988, The New England journal of medicine.

Transmission of human immunodeficiency virus type 1 (HIV-1) by exposure to blood: defining the risk.

G. Friedland, R. Klein, 1990, Annals of internal medicine.

Use of complementary and alternative medicine in inner-city persons with or at risk for HIV infection.

M. Webber, J. Arnsten, R. Klein, 2008, AIDS patient care and STDs.

Human Leukocyte Antigen Class I Supertypes and HIV-1 Control in African Americans

L. Gardner, J. Sobel, R. Kaslow, 2009, Journal of Virology.

High risk of human papillomavirus infection and cervical squamous intraepithelial lesions among women with symptomatic human immunodeficiency virus infection.

S. Vermund, R. Burk, K. Schreiber, 1991, American journal of obstetrics and gynecology.

Cervical and vaginal squamous cell abnormalities in women infected with human immunodeficiency virus.

L. Koss, K. Schreiber, Koss Lg, 1989, Journal of acquired immune deficiency syndromes.

Characterization of genital human papillomavirus infection in women who have or who are at risk of having HIV infection.

K. Shah, R. Burk, S. Cu-Uvin, 2002, American journal of obstetrics and gynecology.

Occupational risk for hepatitis C virus infection among New York City dentists

R. Klein, C. Stevens, K. Freeman, 1991, The Lancet.

Hemolytic Uremic Syndrome Surveillance to Monitor Trends in Infection with Escherichia coli O157:H7 and Other Shiga Toxin-Producing E. coli

M. Glickman, R. Klein, 1997 .

Nucleosides. 123. Synthesis of antiviral nucleosides: 5-substituted 1-(2-deoxy-2-halogeno-beta-D-arabinofuranosyl)cytosines and -uracils. Some structure-activity relationships.

A. Matsuda, M. Chun, C. K. Chu, 1983, Journal of medicinal chemistry.

Effects of HIV Infection on the Serologic Manifestations and Response to Treatment of Syphilis in Intravenous Drug Users

P. Selwyn, G. Friedland, R. Klein, 1993, Annals of Internal Medicine.

[Impressive picture of a melanosis coli after chronic anthraquinone laxative use--is there an increased risk for colorectal cancer?].

J. Langhorst, R. Klein, K. Metz, 2009, Zeitschrift fur Gastroenterologie.

Arsenic trioxide induces apoptosis of myeloid leukemia cells by activation of caspases

R. Klein, R. Gallagher, P. Wiernik, 1999, Medical oncology.

Pneumocystis carinii pneumonia therapy with 9-deazainosine in rats.

R. Klein, J. Marr, M. Durkin, 1987, Diagnostic microbiology and infectious disease.

Resolution of oral hairy leukoplakia during treatment with azidothymidine.

R. Klein, J. Phelan, 1988, Oral surgery, oral medicine, and oral pathology.

Case Report: Vertebral Osteomyelitis Caused by Streptococcus bovis

R. Klein, H. Wisoff, N. Robbins, 1986 .

Streptococcus equinus septicemia: report of two cases and review of the literature.

R. Klein, S. Edberg, J. Casey, 1980, The American journal of the medical sciences.

9-Deazaadenosine--a new potent antitumor agent.

A. Bogdén, R. Klein, M. Chu, 1984, Biochemical pharmacology.

Inhibition of lymphocyte function by 9-deazaadenosine.

R. Miller, Richard L. Miller, R. Klein, 1983, Biochemical pharmacology.

Gastrointestinal malignancy in patients with AIDS.

L. Brandt, R. Klein, J. Reinus, 1991, The American journal of gastroenterology.

Novel 6-substituted uracil analogs as inhibitors of the angiogenic actions of thymidine phosphorylase.

K. Hotchkiss, E. Schwartz, R. Klein, 2001, Biochemical pharmacology.

Cool and Sweet

R. Klein, 1968 .

Lack of association of induration size with HIV infection among drug users reacting to tuberculin.

D. Hartel, R. Klein, M. Gourevitch, 1996, American journal of respiratory and critical care medicine.

Antibiotic activity in vitro against methicillin-resistant Staphylococcus epidermidis and therapy of an experimental infection

F. Lowy, R. Klein, M. Mayers, 1979, Antimicrobial Agents and Chemotherapy.

A prospective study of the risk of tuberculosis among intravenous drug users with human immunodeficiency virus infection.

S. Vermund, P. Selwyn, D. Hartel, 1989, The New England journal of medicine.

Two-Step Tuberculin Skin Testing in Drug Users

Y. Lo, S. Swaminathan, R. Klein, 2007, Journal of addictive diseases.

Validity of a self-reported history of a positive tuberculin skin test

J. Arnsten, H. Kunins, R. Klein, 2004, Journal of General Internal Medicine.

Effectiveness of isoniazid chemoprophylaxis for HIV-infected drug users at high risk for active tuberculosis.

P. Selwyn, D. Hartel, R. Klein, 1999, AIDS.

A prospective study of syphilis and HIV infection among injection drug users receiving methadone in the Bronx, NY.

P. Selwyn, D. Hartel, G. Friedland, 1996, American journal of public health.

Highly active antiretroviral therapy associated with improved anemia among HIV-infected women.

D. Vlahov, L. Gardner, K. Mayer, 2001, AIDS patient care and STDs.

Prevalence of cutaneous disease in patients with acquired immunodeficiency syndrome (AIDS) or AIDS-related complex.

R. Klein, A. Wishner, E. Teplitz, 1987, Journal of the American Academy of Dermatology.

NEW C-NUCLEOSIDE ISOSTERES OF SOME NUCLEOSIDE ANTIBIOTICS*

C. K. Chu, R. Klein, J. Hwang, 1978 .

4-Aza-7,9-dideazaadenosine, a new cytotoxic synthetic C-nucleoside analogue of adenosine

S. A. Patil, R. Klein, B. Otter, 1994 .

Wound Infection During the Yom Kippur War; Observations Concerning Antibiotic Prophylaxis and Therapy

R. Klein, P. Yekutiel, S. Berger, 1975, Annals of surgery.

Stress, coping, and attitudes toward HIV treatment in injecting drug users: a qualitative study.

T. Wills, R. Klein, L. Doll, 1995, AIDS education and prevention : official publication of the International Society for AIDS Education.

Acute epiglottitis due to Pasteurella multocida in an adult without animal exposure.

M. Glickman, R. Klein, 1997, Emerging infectious diseases.

New synthesis of 5H-pyrrolo[3,2-d]pyrimidines via pyrimido[5,4-c]pyridazines

R. Klein, S. Tam, J. Fox, 1978 .

High testicular salvage rate in torsion of the spermatic cord.

R. Klein, K. Rankin, E. Cattolica, 1982, The Journal of urology.

Facile conversion of primary thioamides into nitriles with butyltin oxides

R. Klein, W. Ren, M. Lim, 1982 .

Synthetic studies of the thieno[3,2-d]pyrimidine C-nucleoside isostere of inosine

R. Klein, W. Ren, B. Otter, 1982 .

SYNTHETIC STUDIES OF THE THIENO(3,2-D)PYRIMIDINE C-NUCLEOSIDE ISOSTERE OF INOSINE

R. Klein, W. Ren, B. Otter, 1983 .

Hepatitis Viruses: Hepatitis C

P. Perumalswami, R. Klein, 2014 .

Studies on the Synthesis of Furo[3,2-d]pyrimidine C-Nucleosides: New Inosine Analogues with Antiprotozoan Activity

R. Klein, R. L. Berens, B. Otter, 1990 .

Synthesis of furo[3,2-d]pyrimidine nucleosides: A novel c-nucleoside isostere of adenosine

R. Klein, B. Otter, M. Lim, 1986 .

Studies on the chemistry of 5-propynyloxy- and 5-propynylthiopyrimidines: new syntheses of furo- and thieno[3,2-d]pyrimidines

R. Klein, B. Otter, M. Spada, 2009 .

Conformational Properties of Purine-Like C-Nucleosides

R. Klein, B. Otter, 1996 .

Synthesis of Quinazoline C-Nucleosides: A New Class of 6:6 Bicyclic Purine-Like Analogues.1

R. Klein, B. Otter, P. Wilson, 1995 .

C-glycosylation of substituted heterocycles under Friedel-Crafts conditions (I): a two-step synthesis of the thieno[3,4-d]pyrimidine c-nucleoside analog of inosine

R. Klein, B. Otter, Kambhampati V. B. Rao, 1988 .

Synergism between 9-deazainosine and DL-alpha-difluoromethylornithine in treatment of experimental African trypanosomiasis

P. McCann, R. Klein, C. Bacchi, 1987, Antimicrobial Agents and Chemotherapy.

Synthesis of "9-deazaguanosine" and other new pyrrolo[3,2-d]pyrimidine C-nucleosides

R. Klein, W. Ren, B. Otter, 1983 .

Synthesis of “9-deazaadenosine”; A new cytotoxic C-nucleoside isostere of adenosine

R. Klein, M. Lim, 1981 .

Nucleosides. 112. Synthesis of some new pyrazolo[1,5-a]-1,3,5-triazines and their C-nucleosides

R. Klein, S. Tam, J. Fox, 1979 .

Nucleosides CV. Synthesis of the 8-((β-D-ribofuranosyl)pyrazolo[1,5-a]-1,3,5-triazine isosteres of adenosine and inosine

R. Klein, J. Hwang, S. Tam, 1976 .

C-Glycosylation of Substituted Heterocycles Under Friedel-Crafts Conditions (II): Ribosylation of Multi-Functionalized Thiophenes and Furans for the Synthesis of Purine-Like C-Nucleosides

S. A. Patil, R. Klein, B. Otter, 1990 .

Nucleosides 137. Synthetic Modifications at the 2′Position of Pyrrolo[3,2-D]Pyrimidine and Thieno[3,2-D]Pyrimidine C-Nucleosides, Synthesis of “2′-Deoxy-9-Deazzadenosine” and of “9-Deaza ARA-A”

J. Burchenal, R. Klein, W. Ren, 1986 .

Convenient synthesis of substituted 3-aminothiophene-2-carbonitriles from α-acetylenic nitriles and their conversion to thieno[3,2-d]pyrimidines

R. Klein, W. Ren, Kambhampati V. B. Rao, 1986 .

Inhibitors of purine nucleoside phosphorylase: effects of 9-deazapurine ribonucleosides and synthesis of 5'-deoxy-5'-iodo-9-deazainosine.

R. Klein, R. Parks, J. Stoeckler, 1986, Cancer research.

Nucleosides XCVII. Synthesis of an 8‐(d‐ribofuranosyl)pyrazolo[1,5‐a]‐1,3,5‐triazine. A new type of C‐Nucleoside

C. K. Chu, R. Klein, F. Heras, 1976 .

Synthesis and Conformational Studies of O 5′, 6-Methanouridine—A New Type of Pyrimidine Cyclonucleoside

S. A. Patil, A. Matsuda, R. Klein, 1992 .

Pyridinium chlorochromate for the oxidation of carbohydrates

R. Klein, J. Fox, D. Hollenberg, 1978 .

Synthesis of a 1,2,3‐triazolo[1,5‐a]‐1,3,5‐triazine. A new heterocyclic system

R. Klein, S. Tam, F. Heras, 1976 .

Nucleosides LXXXIX. Synthesis of 1-(2-chloro-2-deoxy-α- and -β-D-arabinofuranosyl)cytosines☆

R. Klein, J. Fox, D. Hollenberg, 1975 .

Nucleosides XCIII. Synthesis of 6-β-d-ribofuranosyl-pyrmidines (a new class of pyrimidine c-hucleosides)☆

R. Klein, S. Tam, F. Heras, 1975 .

Synthesis of the Pyrido[4,3-D]pyrimidine Congeners of Inosine and of Adenosine - A New Class of 6:6 Bicyclic C-Ribofuranosides

R. Klein, B. Otter, Kambhampati V. B. Rao, 1992 .

Nucleosides. XCIV. Synthesis of some C nucleosides by 1,3-dipolar cycloadditions to 3-(ribofuranosyl) propiolates.

R. Klein, S. Tam, F. G. de las Heras, 1976, The Journal of organic chemistry.

Nucleosides. 73. Ribosyl analogs of chloramphenicol.

K. Watanabe, R. Klein, J. Fox, 1971, The Journal of organic chemistry.

Reactions of cytosine derivatives with acidic buffer solutions. II. Studies on transamination, deamination, and deuterium exchange.

R. Shapiro, R. Klein, 1967, Biochemistry.

Hemiacidrin renal irrigation: complications and successful management.

R. Klein, K. Rankin, E. Cattolica, 1982, The Journal of urology.

Community-acquired opportunistic infections and defective cellular immunity in heterosexual drug abusers and homosexual men.

G. Friedland, I. Spigland, R. Klein, 1983, The American journal of medicine.

Risk factors for human immunodeficiency virus infection in intravenous drug users.

P. Selwyn, D. Hartel, G. Friedland, 1989, The New England journal of medicine.

Intravenous drug abusers and the acquired immunodeficiency syndrome (AIDS). Demographic, drug use, and needle-sharing patterns.

D. Shine, G. Friedland, R. Klein, 1985, Archives of internal medicine.

Adrenocortical function in the acquired immunodeficiency syndrome.

M. Surks, G. Friedland, R. Klein, 1983, Annals of internal medicine.

Acquired immunodeficiency syndrome.

G. Friedland, R. Klein, C. Harris, 1983 .

Immunodeficiency in female sexual partners of men with the acquired immunodeficiency syndrome.

G. Friedland, I. Spigland, R. Klein, 1983, The New England journal of medicine.

Longitudinal study of mucosal Candida species colonization and candidiasis among human immunodeficiency virus (HIV)-seropositive and at-risk HIV-seronegative women.

J. Sobel, K. Mayer, S. Ohmit, 2003, The Journal of infectious diseases.

Prevalence and cumulative incidence of and risk factors for anemia in a multicenter cohort study of human immunodeficiency virus-infected and -uninfected women.

D. Vlahov, K. Mayer, R. Semba, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Major aphthous-like ulcers in patients with AIDS.

S. Eisig, R. Klein, P. Freedman, 1991, Oral surgery, oral medicine, and oral pathology.

Incident and Persistent Vulvovaginal Candidiasis Among Human Immunodeficiency Virus–Infected Women: Risk Factors and Severity

J. Sobel, C. Heilig, S. Cu-Uvin, 2003, Obstetrics and gynecology.

The treatment of Pneumocystis carinii pneumonia in the acquired immunodeficiency syndrome.

G. Friedland, R. Klein, C. Harris, 1985, Archives of internal medicine.

Does cerebral toxoplasmosis therapy protect against pneumocystitis in AIDS?

R. Klein, 1992, Annals of internal medicine.

Gastrointestinal complications of AIDS: radiologic features.

R. Klein, D. Frager, T. Beneventano, 1986, Radiology.

Inverted ratio of inducer to suppressor T-lymphocyte subsets in drug abusers with opportunistic infections.

G. Friedland, I. Spigland, R. Klein, 1982, Clinical immunology and immunopathology.

[Transmission of the human immunodeficiency virus].

G. Friedland, R. Klein, Gerald Friedland, 1987, Voprosy virusologii.

Clinical manifestations and predictors of disease progression in drug users with human immunodeficiency virus infection.

P. Selwyn, D. Hartel, P. Alcabes, 1992, The New England journal of medicine.

Clinical and Immunologic Progression in HIV‐Infected US Women Before and After the Introduction of Highly Active Antiretroviral Therapy

Joseph W. Hogan, Kenneth H. Mayer, Christina Korkontzelou, 2003, Journal of acquired immune deficiency syndromes.

Bacterial Vaginosis and the Natural History of Human Papillomavirus

K. Shah, J. Sobel, J. Wiener, 2011, Infectious diseases in obstetrics and gynecology.

Incidence and persistence of Staphylococcus aureus nasal colonization in a community sample of HIV-infected and -uninfected drug users.

F. Lowy, Maureen Miller, R. Klein, 2007, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

The clonality of Staphylococcus aureus nasal carriage.

Shaw-Hwa Lo, Maureen Miller, F. Lowy, 2005, The Journal of infectious diseases.

PCR detection of human papillomavirus: comparison between MY09/MY11 and GP5+/GP6+ primer systems

R. Burk, R. Klein, Chee-Jen Chang, 1997, Journal of clinical microbiology.

Comparison of the InPouch TV culture system and Diamond's modified medium for detection of Trichomonas vaginalis

R. Klein, M. Levi, J. Torres, 1997, Journal of clinical microbiology.

Infectious diarrhea in patients with AIDS

L. Brandt, R. Klein, L. Bernstein, 1988, Digestive Diseases and Sciences.

Squamous cell carcinoma of the esophagus in patients with Acquired Immunodeficiency Syndrome

R. Klein, D. Frager, T. Beneventano, 1988, Gastrointestinal Radiology.

High-Risk Human Papillomavirus Reactivation in Human Immunodeficiency Virus–Infected Women: Risk Factors for Cervical Viral Shedding

K. Shah, J. Sobel, J. Karon, 2010, Obstetrics and gynecology.

Association between Semen Exposure and Incident Bacterial Vaginosis

J. Sobel, S. Cu-Uvin, L. Warner, 2011, Infectious diseases in obstetrics and gynecology.

Streptococcus bovis septicemia and carcinoma of the colon.

S. Edberg, R. Klein, N. H. Steigbigel, 1979, Annals of internal medicine.

Lack of association of Streptococcus bovis with noncolonic gastrointestinal carcinoma.

R. Klein, N. H. Steigbigel, S. Edberg, 1987, The American journal of gastroenterology.

Additional evidence for lack of transmission of HIV infection by close interpersonal (casual) contact.

B. Saltzman, G. Friedland, R. Klein, 1990, AIDS.

Low occupational risk of human immunodeficiency virus infection among dental professionals.

G. Friedland, R. Klein, C. Schable, 1988, The New England journal of medicine.

Factors associated with unrecognized HIV-1 infection in an inner-city emergency department.

M. Webber, R. Klein, J. Shuter, 1996, Annals of emergency medicine.

Synthesis and Evaluation of 2′,3′-Dideoxy-9-Deazaadenoslne and Some Related Derivatives

S. Broder, R. Klein, S. Tam, 1989 .

Synthesis of the pyrrolo[3,2-d]pyrimidine C-nucleoside isostere of inosine☆

R. Klein, J. Fox, M. Lim, 1980 .

Synthesis and in vitro cytotoxicity of 6-vinyluridine and related compounds

R. Klein, S. Megati, B. Otter, 1994 .

Nucleosides. 78. Synthesis of some 6-substituted uracils and uridines by the Wittig reaction.

R. Klein, J. Fox, 1972, The Journal of organic chemistry.

Spermatogenesis in the unilateral cryptorchid testis after orchiopexy.

R. Klein, P. F. Alpert, R. S. Klein, 1983, The Journal of urology.

Activity of inosine analogs against Pneumocystis carinii in culture

R. Klein, J. Marr, S. Queener, 1986, Antimicrobial Agents and Chemotherapy.

Studies on the Synthesis of S 5′,6-Methano-5′-Thiourldines

R. Klein, S. Megati, B. Otter, 1997 .

A randomized placebo-controlled trial of recombinant human interferon alpha 2a in patients with aids

R. Schooley, C. Crumpacker, H. Handsfield, 1988 .

O5′,6-Methanocytidine — Synthesis, Conformational Properties and Deamination by Cytidine Deaminase

S. Ealick, R. Klein, F. Naguib, 1994 .

Synthesis of some new thieno[3,4-d]pyrimidines and their C-nucleosides

S. A. Patil, R. Klein, B. Otter, 1993 .

NUCLEOSIDES. 123. SYNTHESIS OF ANTIVIRAL NUCLEOSIDES: 5-SUBSTITUTED 1-(2-DEOXY-2-HALOGENO-β-D-ARABINOFURANOSYL)CYTOSINES AND -URACILS. SOME STRUCTURE-ACTIVITY RELATIONSHIPS

A. Matsuda, M. Chun, C. K. Chu, 1983 .

A Convenient Synthesis of D-Psicofuranosyl Nucleosides1

R. Klein, S. Megati, B. Otter, 1995 .

Improved synthesis of .alpha.-D-ribofuranosides via stereoselective alkylation of a dibutylstannylene derivative for ready access to the 2-substituted 2-deoxyarabinofuranosides

R. Klein, T. Su, J. Fox, 1982 .

Nucleophilic Substitution Reactions of 5-Bromo-6-methyluridines

R. Klein, B. Otter, M. Sarma, 1994 .

Mechanisms by which tumor cells and monocytes expressing the angiogenic factor thymidine phosphorylase mediate human endothelial cell migration.

K. Hotchkiss, E. Schwartz, R. Klein, 2003, Cancer research.

Studies on the Synthesis of S5′,6-Methano-5′-thiouridines.

R. Klein, S. Megati, B. Otter, 1998 .

Facile synthesis of 2-deoxy-2-substituted D-arabinofuranose derivatives

R. Klein, T. Su, J. Fox, 1981 .

Synthesis of pyrrolo[2,1-f][1,2,4]triazine congeners of nucleic acid purines via the N-amination of 2-substituted pyrroles

S. A. Patil, R. Klein, B. Otter, 1994 .

Activity of purine analogs against Leishmania donovani in vivo

J. Lovelace, J. Berman, R. Klein, 1987, Antimicrobial Agents and Chemotherapy.

Nucleosides: Part LXII. Synthetic studies on nucleoside antibiotics. 2.syntheses of methyl 4-amino-4-deoxy-d-glucosiduronic acid derivatives related to the carbohydrate moiety of gougerotin☆

R. Klein, Kyoichi A. Watanabe, J. Fox, 1969 .

Predictors of Hepatitis C Virus RNA Levels in a Prospective Cohort Study of Drug Users

Y. Lo, R. Klein, David L. Thomas, 2004, Journal of acquired immune deficiency syndromes.

The cocaine connection. Users imperil their gingiva.

R. Klein, C. Small, A. Quart, 1991, Journal of the American Dental Association.

Nucleosides. LXVII. The chemistry of 4-methyl-2-pyrimidinone ribonucleosides.

K. Watanabe, R. Klein, J. Fox, 1970, The Journal of organic chemistry.

Genetic Divergence of Hepatitis C Virus: The Role of HIV-Related Immunosuppression

S. Ray, R. Klein, D. Netski, 2008, Journal of acquired immune deficiency syndromes.

Multicenter evaluation of hepatitis C RNA levels among female injection drug users.

J. Rich, D. Thomas, J. Astemborski, 2001, The Journal of infectious diseases.

EXPERIMENTAL AND CLINICAL STUDIES ON 2′-FLUOROARABINOSYL PYRIMIDINES AND PURINE-LIKE C-NUCLEOSIDES1

J. Burchenal, B. Leyland-Jones, R. Klein, 1983 .

Cytomegalovirus (CMV) shedding is highly correlated with markers of immunosuppression in CMV-seropositive women.

L. Gardner, J. Sobel, K. Mayer, 2011, Journal of medical microbiology.

The chemistry of 4‐pyrimidinones: Acetylation and ring‐opening reactions

R. Klein, B. Otter, R. Sodum, 1986 .

Influence of sex hormones, HIV status, and concomitant sexually transmitted infection on cervicovaginal inflammation.

J. Sobel, K. Ghanem, K. Mayer, 2005, The Journal of infectious diseases.

Prospective study of human immunodeficiency virus infection and pregnancy outcomes in intravenous drug users.

P. Selwyn, G. Friedland, R. Klein, 1989, JAMA.

Human papillomavirus-associated cervical cytologic abnormalities among women with or at risk of infection with human immunodeficiency virus.

J. Peipert, K. Shah, R. Burk, 2001, American journal of obstetrics and gynecology.

Criteria for assessing cutaneous anergy in women with or at risk for HIV infection. HIV Epidemiologic Research Study Group.

D. Vlahov, T. Flanigan, R. Klein, 1999, The Journal of allergy and clinical immunology.

A prospective study of HIV disease progression in female and male drug users.

M. Webber, R. Klein, M. Gourevitch, 1999, AIDS.

Risk factors for human immunodeficiency virus infection in intravenous drug users

P. Selwyn, D. Hartel, G. Friedland, 1990 .

Universal precautions for preventing occupational exposures to human immunodeficiency virus type 1.

R. Klein, 1991, The American journal of medicine.

Cytokine/chemokine expression associated with Human Pegivirus (HPgV) infection in women with HIV

J. Sobel, J. Welge, J. Blackard, 2017, Journal of medical virology.

GB Virus C (GBV-C) Infection in Hepatitis C Virus (HCV) Seropositive Women with or at Risk for HIV Infection

L. Gardner, J. Sobel, J. Welge, 2014, PloS one.

Smoking and Time to Clearance of Human Papillomavirus Infection in HIV-Seropositive and HIV-Seronegative Women

S. Marshall, K. Shah, J. Koshiol, 2006 .

A Multicenter Study of Bacterial Vaginosis in Women With or at Risk for Human Immunodeficiency Virus Infection

S. Holmberg, J. Sobel, K. Mayer, 2001, Infectious diseases in obstetrics and gynecology.

Survival differences in patients with AIDS.

B. Saltzman, G. Friedland, R. Klein, 1991, Journal of acquired immune deficiency syndromes.

The influence of human leukocyte antigen class I alleles and their population frequencies on human immunodeficiency virus type 1 control among African Americans.

L. Gardner, J. Sobel, R. Kaslow, 2011, Human immunology.

Overweight and human immunodeficiency virus (HIV) progression in women: associations HIV disease progression and changes in body mass index in women in the HIV epidemiology research study cohort.

J. Hogan, B. Snyder, R. Klein, 2003, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Aging and HIV Infection

K. Anastos, H. Sacks, R. Klein, 2006, Journal of Urban Health.

Pelvic lipomatosis: diagnosis using computed tomography.

M. Korobkin, R. Klein, Melvyn Korobkin, 1979 .

Prevalence and Predictive Value of Overweight in an Urban HIV Care Clinic

R. Klein, Chee-Jen Chang, J. Shuter, 2001, Journal of acquired immune deficiency syndromes.

The relationship of HIV treatment acceptance and adherence to psychosocial factors among injecting drug users.

T. Wills, D. Hartel, R. Klein, 1998 .

Longitudinal study of cervical squamous intraepithelial lesions in human immunodeficiency virus (HIV)-seropositive and at-risk HIV-seronegative women.

K. Shah, S. Cu-Uvin, D. Jamieson, 2003, The Journal of infectious diseases.

Case Report: Anaerobic Mediastinitis Complicating Median Sternotomy

R. Klein, G. Gordon, A. Merav, 1985 .

Blood-borne and sexual transmission of human herpesvirus 8 in women with or at risk for human immunodeficiency virus infection.

D. Vlahov, J. Rich, P. Pellett, 2001, The New England journal of medicine.

Outcomes After Treatment of Cervical Intraepithelial Neoplasia Among Women With HIV

K. Anastos, M. Young, S. Gange, 2007, Journal of lower genital tract disease.

Lack of transmission of HTLV-III/LAV infection to household contacts of patients with AIDS or AIDS-related complex with oral candidiasis.

B. Saltzman, G. Friedland, R. Klein, 1986, The New England journal of medicine.

Dentists and risk of HIV.

B. Gerbert, V. Badner, G. Friedland, 1988, The New England journal of medicine.

Expression of activation antigen on lymphocytes in the acquired immunodeficiency syndrome.

B. Saltzman, E. Paietta, G. Friedland, 1986, Annals of internal medicine.

Mortality in an urban cohort of HIV-infected and at-risk drug users in the era of highly active antiretroviral therapy.

Y. Lo, R. Klein, D. Buono, 2005, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Prospective study of bone mineral density changes in aging men with or at risk for HIV infection

P. Flom, J. Weedon, R. Klein, 2010, AIDS.

Time to clearance of human papillomavirus infection by type and human immunodeficiency virus serostatus

S. Marshall, K. Shah, J. Koshiol, 2006, International journal of cancer.

Smoking and time to clearance of human papillomavirus infection in HIV-seropositive and HIV-seronegative women.

S. Marshall, K. Shah, J. Koshiol, 2006, American journal of epidemiology.

Comorbid conditions, treatment, and health maintenance in older persons with human immunodeficiency virus infection in New York City.

R. Klein, S. Blum, J. Mcgowan, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Risk of genital human papillomavirus infection in women with human immunodeficiency virus‐induced immunosuppression

R. Burk, R. Klein, I. Fleming, 1994, International journal of cancer.

Serum immunoglobulin G response to human papillomavirus type 16 virus-like particles in human immunodeficiency virus (HIV)-positive and risk-matched HIV-negative women.

Ann Duerr, Kelly Fox, K. Anastos, 2003, The Journal of infectious diseases.

Chemokines and Central Nervous System Physiology

R. Klein, A. Luster, R. Klein, 2005 .

Human papillomavirus capsid antibody response to natural infection and risk of subsequent HPV infection in HIV-positive and HIV-negative women.

J. Hogan, K. Shah, J. Sobel, 2005, Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.

Body image in older men with or at-risk for HIV infection

M. Webber, R. Klein, D. Buono, 2007, AIDS care.

Crack cocaine use and other risk factors for tuberculin positivity in drug users.

R. Klein, M. Gourevitch, E. Schoenbaum, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Regional variation in CCR5-Δ32 gene distribution among women from the US HIV Epidemiology Research Study (HERS)

D. Vlahov, T. Hodge, L. Gardner, 2002, Genes and Immunity.

Stability of cutaneous anergy in women with or at risk for HIV infection. HIV Epidemiology Research Study Group.

J. Margolick, J. Sobel, T. Flanigan, 1999, Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Joint infection, with consideration of underlying disease and sources of bacteremia in hematogenous infection.

R. Klein, 1988, Clinics in geriatric medicine.

Erosive syphilitic gastritis: dark-field and immunofluorescent diagnosis from biopsy specimen.

D. Sachar, E. Bottone, R. Klein, 1974, Annals of internal medicine.

Dense Genotyping of Immune-Related Loci Identifies Variants Associated with Clearance of HPV among HIV-Positive Women in the HIV Epidemiology Research Study (HERS)

K. Shah, J. Sobel, S. Shrestha, 2014, PloS one.

Vitamin a deficiency among former and current injecting drug users in Bronx, New York

R. Semba, R. Klein, E. Schoenbaum, 1997 .

Rates and Risk Factors for Condition‐Specific Hospitalizations in HIV‐Infected and Uninfected Women

K. Tashima, L. Szczech, S. Holmberg, 2003, Journal of acquired immune deficiency syndromes.

R. Klein, 2011, Substance use & misuse.

Ureteral endometriosis.

R. Klein, E. Cattolica, 1979, Urology.

An effective hospital-based pneumococcal immunization program.

R. Klein, N. Adachi, 1986, Archives of internal medicine.

Pneumococcal vaccine in the hospital. Improved use and implications for high-risk patients.

R. Klein, N. Adachi, 1983, Archives of internal medicine.

The Association Between Trichomonas Infection and Incarceration in HIV-Seropositive and At-Risk HIV-Seronegative Women

J. Sobel, D. Celentano, S. Cu-Uvin, 2011, Sexually transmitted diseases.

Paraurethral leiomyoma--an imitator.

R. Klein, E. Cattolica, W. Knigge, 1976, Urology.

Incidence of and Risk Factors for Genital Human Papillomavirus Infection in Women Drug Users

Y. Lo, R. Burk, R. Klein, 2006, Journal of acquired immune deficiency syndromes.

Preseptal cellulitis caused by Mycobacterium intracellulare.

R. Klein, S. Warman, 1982, Ophthalmology (Rochester, Minn.).

Accuracy of Clinical Diagnosis of Bacterial Vaginosis by Human Immunodeficiency Virus Infection Status

Jack D Sobel, J. Sobel, S. Cu-Uvin, 2010, Sexually transmitted diseases.

Reliability of anergy skin testing in persons with HIV infection.

R. Klein, M. Gourevitch, 1997, American Journal of Respiratory and Critical Care Medicine.

Current sexual activity and risky sexual behavior in older men with or at risk for HIV infection.

J. Arnsten, R. Klein, N. Cooperman, 2007, AIDS education and prevention : official publication of the International Society for AIDS Education.

Criteria for the diagnosis of urinary tract infection.

R. Klein, 1994, Current opinion in nephrology and hypertension.

Mortality rates and causes of death in a cohort of HIV-infected and uninfected women, 1993–1999

S. Holmberg, L. Gardner, R. Klein, 2003, Journal of Urban Health.

Tampons as a self-administered collection method for the detection and quantification of genital HIV-1

M. Webber, R. Klein, Homayoon Farzadegan, 2001, AIDS.

The Impact of HIV Infection and Immunodeficiency on Human Papillomavirus Type 6 or 11 Infection and on Genital Warts

R. Greenblatt, L. Ahdieh, A. Muñoz, 2002, Sexually transmitted diseases.

Androgen levels in older men who have or who are at risk of acquiring HIV infection.

Y. Lo, A. Dobs, R. Klein, 2005, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Effect of HIV Infection on Menstrual Cycle Length

Mardge H. Cohen, R. Greenblatt, K. Anastos, 2000, Journal of acquired immune deficiency syndromes.

A Multicenter Study of Bacterial Vaginosis in Women with or at Risk for HIV Infection

S. Holmberg, J. Sobel, K. Mayer, 2002 .

Protozoan-Viral-Bacterial Co-Infections Alter Galectin Levels and Associated Immunity Mediators in the Female Genital Tract

D. Vlahov, J. Sobel, R. Fichorova, 2021, Frontiers in Cellular and Infection Microbiology.

Staphylococcus aureus Nasal Colonization in HIV-Seropositive and HIV-Seronegative Drug Users

F. Lowy, K. Holbrook, D. Hartel, 2005 .

Influence of Injection Drug Use Behavior on Reported Antiretroviral Therapy Use Among Women in the HIV Epidemiology Research Study: On‐Site Versus Referral Care

D. Vlahov, R. Klein, A. Rompalo, 2001, Journal of acquired immune deficiency syndromes.

The effect of immunodeficiency on cutaneous delayed-type hypersensitivity testing in HIV-infected women without anergy: implications for tuberculin testing. HER Study Group. HIV Epidemiology Research.

D. Vlahov, T. Flanigan, R. Klein, 1999, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Blood-Brain Barrier Dysfunction during Central Nervous System Autoimmune Diseases

R. Klein, Jessica L. Williams, 2017 .

Strains of Staphylococcus aureus obtained from drug-use networks are closely linked.

F. Lowy, Maureen Miller, R. Klein, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Hepatitis C virus infection is associated with insulin resistance among older adults with or at risk of HIV infection

Y. Lo, N. Fleischer, R. Klein, 2007, AIDS.

Diversity of the hepatitis C virus NS5B gene during HIV co-infection

J. Sobel, J. Blackard, J. Tavis, 2020, PloS one.

Gender and Hospitalization Patterns Among HIV‐Infected Drug Users Before and After the Availability of Highly Active Antiretroviral Therapy

Y. Lo, R. Klein, M. Gourevitch, 2003, Journal of acquired immune deficiency syndromes.

Haemophilus parainfluenzae septic arthritis in an adult.

R. Klein, S. Warman, E. Reinitz, 1981, JAMA.

Rates of and factors associated with self-reported prior HIV testing among adult medical patients in an inner city emergency department in the Bronx, New York City.

R. Klein, J. Shuter, P. Alpert, 1997, Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Lack of association of herpes simplex virus type 2 seropositivity with the progression of HIV infection in the HERS cohort.

S. Cole, M. Hudgens, J. Sobel, 2011, American journal of epidemiology.

Correlates of the rate of decline of CD4+ lymphocytes among injection drug users infected with the human immunodeficiency virus.

P. Alcabes, R. Klein, E E Schoenbaum, 1993, American journal of epidemiology.

Discussion on frequency of the HIV-protective CC chemokine receptor 5-Δ32/Δ32 genotype is increased in hepatitis C

R. Klein, 2003 .

Knowledge of HIV antibody status and decisions to continue or terminate pregnancy among intravenous drug users

P. Selwyn, R. Klein, M. Rogers, 1990 .

Staphylococcus aureus Colonization in a Community Sample of HIV-Infected and HIV-Uninfected Drug Users

F. Lowy, Maureen Miller, R. Klein, 2003, European Journal of Clinical Microbiology and Infectious Diseases.

Overview of HIV and AIDS: biology and epidemiology of the virus.

R. Klein, M. Gourevitch, 1998, Gastrointestinal endoscopy clinics of North America.

Hepatic disorders in the acquired immune deficiency syndrome: a clinical and pathological study.

L. Brandt, B. Saltzman, P. Mahadevia, 1986, The American journal of gastroenterology.

Self-reported legal needs of women with or at risk for HIV infection

N. Dubler, R. Klein, L. Solomon, 1999, Journal of Urban Health.

Staphylococcus aureus nasal colonization in HIV-seropositive and HIV-seronegative drug users.

F. Lowy, K. Holbrook, D. Hartel, 1997, Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Enterobacter hafnaie infection: report of two cases and review of the literature.

R. Klein, S. Berger, S. Edberg, 1977, The American journal of the medical sciences.

Effect of Mycobacterium tuberculosis on HIV replication. Role of immune activation.

D. Weissman, D. Vlahov, A. Fauci, 1996, Journal of immunology.

Prevalence, incidence, and type-specific persistence of human papillomavirus in human immunodeficiency virus (HIV)-positive and HIV-negative women.

L. Ahdieh, K. Shah, R. Klein, 2001, The Journal of infectious diseases.

Shedding of PECAM‐1 during HIV infection: a potential role for soluble PECAM‐1 in the pathogenesis of NeuroAIDS

J. Berman, T. Calderon, E. Eugenin, 2006, Journal of leukocyte biology.

Incident Hyperglycaemia among Older Adults with or At-Risk for HIV Infection

J. Arnsten, R. Klein, Sarit Polsky, 2011, Antiviral therapy.

Temporal Trends in the Progression of Human Immunodeficiency Virus Disease in a Cohort of Drug Users

M. Webber, R. Klein, M. Gourevitch, 1998, Epidemiology.

Comorbid conditions, treatment, and health maintenance in older persons with human immunodeficiency virus infection in New York City.

R. Klein, S. Blum, J. Mcgowan, 2002, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

The Effect of Highly Active Antiretroviral Therapy on Human Papillomavirus Clearance and Cervical Cytology

K. Shah, C. Heilig, D. Jamieson, 2009, Obstetrics and gynecology.