C. Helms

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Using Comparative Clinical and Economic Outcome Information to Profile Physician Performance

D. Wakefield, M. Hendryx, J. Murray, 1995, Health services management research.

Respiratory rate predicts cardiopulmonary arrest for internal medicine inpatients

D. Wakefield, M. Hendryx, C. Helms, 1993, Journal of General Internal Medicine.

Voluntary reporting of employee influenza vaccination rates by acute care hospitals in Iowa: the impact of a four year provider-based statewide performance improvement project.

P. Polgreen, P. Quinlisk, C. Helms, 2011, Vaccine.

Implementation of mandatory immunisation of healthcare workers: observations from New South Wales, Australia.

C. Helms, J. Leask, P. McIntyre, 2011, Vaccine.

Outreach education to improve quality of rural ICU care. Results of a randomized trial.

D. Wakefield, M. Hendryx, C. Helms, 1998, American journal of respiratory and critical care medicine.

The peer review process: the art of judgment.

D. Wakefield, C. Helms, L. Helms, 1995, Journal for healthcare quality : official publication of the National Association for Healthcare Quality.

Mechanical ventilation in rural ICUs

D. Wakefield, M. Hendryx, C. Helms, 1999, Critical care.

Systems errors versus physicians' errors: finding the balance in medical education.

C. Helms, D. Casarett, 1999, Academic medicine : journal of the Association of American Medical Colleges.

Strengthening the nation's influenza vaccination system: a National Vaccine Advisory Committee assessment.

W. Schaffner, C. Helms, J. Klein, 2005, American journal of preventive medicine.

Cost of nosocomial infection: relative contributions of laboratory, antibiotic, and per diem costs in serious Staphylococcus aureus infections.

D. Wakefield, C. Helms, M. Pfaller, 1988, American journal of infection control.

Lessons in cooperation: four hospital consortia relate their quality improvement experiences.

C. Helms, I. Thraen, M. Holland, 1995, The Joint Commission journal on quality improvement.

Developing a Cooperative Provider-Based Statewide Peer Review Service: Early Experience

D. Wakefield, C. Helms, 1996, American journal of medical quality : the official journal of the American College of Medical Quality.

Comparative features of pneumococcal, mycoplasmal, and Legionnaires' disease pneumonias.

C. Helms, E. Renner, J. Viner, 1979, Annals of internal medicine.

A Statewide System for Improving Influenza Vaccination Rates in Hospital Employees

Linnea A. Polgreen, P. Polgreen, C. Helms, 2009, Infection Control & Hospital Epidemiology.

Should influenza immunisation be mandatory for healthcare workers? Yes

P. Polgreen, C. Helms, 2008, BMJ : British Medical Journal.

Legionnaires' disease in pneumonia patients in Iowa. A retrospective seroepidemiologic study, 1972-1977.

C. Helms, W. Hierholzer, E. Renner, 1979, Annals of internal medicine.

Results of a National Survey of Infectious Diseases Specialists regarding Influenza Vaccination Programs for Healthcare Workers

P. Polgreen, C. Helms, T. Talbot, 2010, Infection Control & Hospital Epidemiology.

Nosocomial Legionnaires' disease. Occurrence in recipients of bone marrow transplants.

J. Armitage, C. Helms, J. Kugler, 1983, The American journal of medicine.

Implications of acquired oxacillin resistance in the management and control of Staphylococcus aureus infections.

D. Wakefield, C. Helms, R. Woolson, 1988, The Journal of infectious diseases.

Legionnaires' disease associated with a hospital water system. A five-year progress report on continuous hyperchlorination.

C. Helms, R. Wenzel, M. Pfaller, 1988, JAMA.

Legionnaires' disease associated with a hospital water system: a cluster of 24 nosocomial cases.

C. Helms, M. Gilchrist, W. Hierholzer, 1983, Annals of internal medicine.

Forty years of litigation involving residents and their training: II. Malpractice issues

C. Helms, L. Helms, 1991, Academic medicine : journal of the Association of American Medical Colleges.

Studies on equine immunoglobulins. I. The antigenic structure of horse IgG, its fragments and subunits.

C. Helms, P. Allen, 1970, Immunochemistry.

4 The Compromised Host

C. Helms, W. Nauseef, 1986 .

The Compromised Host

C. Helms, W. Nauseef, 1986 .

A comparative immunological examination of some immunoglobulins of several equine species

C. Helms, P. Allen, 1971 .

Legionnaires' disease among pneumonias in Iowa (FY 1972–1978) II. Epidemiologic and clinical features of 30 sporadic cases of L. pneumophila infection

D. Weisenburger, C. Helms, L. Chiu, 1981, The American journal of the medical sciences.

Asymptomatic infection of adult volunteers with a temperature sensitive mutant of Mycoplasma pneumoniae.

R. Chanock, C. Helms, H. Greenberg, 1974, Proceedings of the National Academy of Sciences of the United States of America.

Tri-state toxic-shock syndrome study. II. Clinical and laboratory findings.

C. Helms, M. Osterholm, J. Vergeront, 1982, The Journal of infectious diseases.

Tri-State Toxic-Shock Syndrome Study. I. Epidemiologic Findings

J. P. Davis, C. Helms, J. Mandel, 1982 .

Comparative immunochemical behavior of acid polysaccharides of Cryptococcus laurentii, Tremella mesenterica and of oxidized cellulose with a type II antipneumococcal serum.

C. Helms, D. Feingold, P. Allen, 1969, Immunochemistry.

Use of Anthrax Vaccine in the United States: Recommendations of the Advisory Committee on Immunization Practices

L. Rotz, W. Schaffner, C. Heilman, 2001, Journal of toxicology. Clinical toxicology.

Studies on Equine Immunoglobulins II. Antigenic Interrelationships Among Horse IgG, IgG(T) and Antipneumococcal γ1-Component

C. Helms, P. Allen, 1970 .

Immunoprophylaxis of experimental Mycoplasma pneumoniae disease: effect of route of administration on the immunogenicity and protective effect of inactivated M. pneumoniae vaccine

R. Chanock, C. Helms, H. Greenberg, 1977, Infection and immunity.

Sporadic Legionnaires' Disease: Clinical Observations on 87 Nosocomial and Community‐Acquired Cases

D. Weisenburger, C. Helms, L. Chiu, 1984, The American journal of the medical sciences.

A high molecular weight antigen in Legionnaires' disease bacterium: isolation and partial characterization.

C. Helms, J. Elliott, E. Renner, 1979, Annals of internal medicine.

The role of peer review in a health care organization driven by TQM/CQI.

D. Wakefield, C. Helms, 1995, The Joint Commission journal on quality improvement.

Understanding patient-centered care in the context of total quality management and continuous quality improvement.

D. Wakefield, B. Wakefield, M. Hendryx, 1994, The Joint Commission journal on quality improvement.

Eosinophils as effector cells in the destruction of Schistosoma mansoni eggs in granulomas.

C. Helms, F. Mitros, S. Hsü, 1980, Annals of tropical medicine and parasitology.

Combination vaccines for childhood immunization.

Richard K. Zimmerman, Larry K. Pickering, Pittsburgh, 1999, MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports.

Ultrastructural localization and protective activity of a high-molecular-weight antigen isolated from Legionella pneumophila

C. Helms, W. Johnson, J. Elliott, 1981, Infection and immunity.

Prospective evaluation of the Gen-Probe assay for detection of Legionellae in respiratory specimens

C. Helms, B. Doebbeling, R. Wenzel, 1988, European Journal of Clinical Microbiology and Infectious Diseases.

Persistence of Legionella Pneumophila in a Hospital's Water System: A 13-Year Survey

C. Helms, R. Wenzel, P. Rhomberg, 1999, Infection Control & Hospital Epidemiology.

An outbreak of community-acquired Legionnaires' disease pneumonia.

C. Helms, R. Massanari, W. Hausler, 1984, American journal of public health.

Seroreactivity to Mycoplasma pneumoniae and Legionella pneumophila: lack of a statistically significant relationship

C. Helms, W. Johnson, E. Renner, 1981, Journal of clinical microbiology.

Physicians' effectiveness in assessing risk for human immunodeficiency virus infection.

C. Helms, J. Stapleton, K. Ferguson, 1991, Archives of internal medicine.

Sporadic Legionnaires' disease. A pathologic study of 23 fatal cases.

C. Helms, E. Renner, D. Weisenburger, 1981, Archives of pathology & laboratory medicine.

Legionnaires' disease among pneumonias in Iowa (FY 1972-1978).

C. Helms, W. Hierholzer, E. Renner, 1981, Journal of the Iowa Medical Society.

Occurrence in Recipients of Bone Marrow Transplants

C. Helms, L. Klassen, R. Gingrich, 1983 .

Indirect immunofluorescence antibodies to Legionella pneumophila: frequency in a rural community

C. Helms, W. Johnson, W. Hierholzer, 1980, Journal of clinical microbiology.

The application of molecular and immunologic techniques to study the epidemiology of Legionella pneumophila serogroup 1.

C. Helms, R. Wenzel, W. Johnson, 1989, Diagnostic microbiology and infectious disease.

Medical education and disability discrimination: the law and future implications

C. Helms, L. Helms, 1994, Academic medicine : journal of the Association of American Medical Colleges.

First do no harm: get your flu shot!

C. Helms, 2004, Iowa medicine : journal of the Iowa Medical Society.

Litigation in medical education: retrospect and prospect.

L B Helms, C M Helms, S E Biggs, 1995, The Journal of contemporary health law and policy.

Forty years of litigation involving residents and their training: I. General programmatic issues

C. Helms, L. Helms, 1991, Academic medicine : journal of the Association of American Medical Colleges.

Comparing providers' performance: problems in making the "report card" analogy fit.

C M Helms, D. Wakefield, M. Hendryx, 1996, Journal for healthcare quality : official publication of the National Association for Healthcare Quality.

Strengthening the supply of routinely recommended vaccines in the United States: recommendations from the National Vaccine Advisory Committee.

J. P. Davis, Bruce Gellin, William Schaffner, 2003, JAMA.

Severe hepatic damage after acetaminophen use in psittacosis.

A. Davis, C. Helms, F. Mitros, 1983, The American journal of medicine.

Strengthening the supply of routinely administered vaccines in the United States: progress and problems--2005.

C. Helms, J. Klein, 2006, Clinical Infectious Diseases.

Use of a Pandemic Preparedness Drill to Increase Rates of Influenza Vaccination Among Healthcare Workers

J. Cavanaugh, P. Polgreen, C. Helms, 2008, Infection Control & Hospital Epidemiology.

Toxic Shock Syndrome: A Retrospective Study of 25 Cases from Iowa

C. Helms, L. Klassen, F. Koontz, 1981, The American journal of the medical sciences.

Background prevalence of microagglutination antibodies to Legionella pneumophila serogroups 1, 2, 3, and 4

C. Helms, W. Johnson, W. Hierholzer, 1980, Infection and immunity.

Immunoprophylaxis of experimental Mycoplasma pneumoniae disease: effect of aerosol particle size and site of deposition of M. pneumoniae on the pattern of respiratory infection, disease, and immunity in hamsters

R. Chanock, C. Helms, J. Walker, 1977, Infection and immunity.

Making influenza vaccination mandatory for health care workers: the views of NSW Health administrators and clinical leaders.

C. Helms, J. Leask, P. McIntyre, 2010, New South Wales public health bulletin.

Coinfections of Mycoplasma pneumoniae and Legionella pneumophila with influenza A virus

C. Helms, W. Johnson, E. Renner, 1983, Journal of clinical microbiology.

Ensuring preparedness for potential poliomyelitis outbreaks: Recommendations for the US poliovirus vaccine stockpile from the National Vaccine Advisory Committee (NVAC) and the Advisory Committee on Immunization Practices (ACIP).

C. Helms, A. Hinman, J. Modlin, 2004, Archives of pediatrics & adolescent medicine.

Pretibial rash in Legionella pneumophila pneumonia.

C. Helms, R. Corry, W. Johnson, 1981, JAMA.

Demonstration of the Legionnaires' disease bacillus in hilar lymph nodes.

C. Helms, E. Renner, D. Weisenburger, 1979, Archives of pathology & laboratory medicine.

Experimental production of respiratory tract infection with Mycoplasma pneumoniae in rhesus monkeys.

R. Chanock, C. Helms, M. Barile, 1976, The Journal of infectious diseases.

Toxic-shock syndrome in a young man with a pilonidal abscess.

C. Helms, P. L. Moseley, W. B. Cobb, 1982, The New England journal of medicine.

An examination of the cross reactivity of human and equine gammaG globulins and their fragments by immunodiffusion.

C. Helms, P. Allen, B. M. Berger, 1968, Journal of immunology.

Temperature-sensitive mutants of Streptococcus pneumoniae. I. Preparation and characterization in vitro of temperature-sensitive mutants of type I S. pneumoniae.

R. Chanock, C. Helms, L. Senterfit, 1977, The Journal of infectious diseases.

Voluntary reporting of employee influenza vaccination rates by acute care hospitals in Iowa: the impact of a four year provider-based statewide performance improvement project.

Linnea A. Polgreen, P. Polgreen, P. Quinlisk, 2011, Vaccine.

Prevention of pneumococcal pneumonia by immunization with pneumococcal polysaccharide vaccine (Pneumovax).

C. Helms, 1978, Journal of the Iowa Medical Society.

A pseudo-epidemic of septicemia among Medicare patients in Iowa.

C. Helms, 1987, American journal of public health.

Methods of determining the prevalence of changes in vital signs among internal medicine inpatients.

D. Wakefield, M. Hendryx, C. Helms, 1993, Clinical performance and quality health care.