D. Ballard

G. Filardo, J. Herrin, D. Ballard, 2009, International journal for quality in health care : journal of the International Society for Quality in Health Care.

Using physician claims to identify postoperative complications of carotid endarterectomy.

J. Whisnant, J. Mitchell, G. Samsa, 1996, Health services research.

Goals and Methods

G. DeFriese, P. Duncan, J. Whisnant, 2005 .

Resurrecting the autopsy: benefits and recommendations.

E. Tangalos, E. Kokmen, J. Ludwig, 1989, Mayo Clinic proceedings.

The RAND/AMA/AMCC Clinical Appropriateness Initiative: insights for multi-site appropriateness studies derived from the abdominal aortic aneurysm surgery project.

D. Ballard, 1994, International journal for quality in health care : journal of the International Society for Quality in Health Care.

Referral selection bias in the Medicare hospital mortality prediction model: are centers of referral for Medicare beneficiaries necessarily centers of excellence?

D. Cortese, D. Ballard, M. Pine, 1994, Health services research.

Improving delivery of clinical preventive services: a multi-year journey.

D. Ballard, Huanying Qin, D. Nicewander, 2007, American journal of preventive medicine.

Rheumatoid vasculitis: survival and associated risk factors.

D. Ballard, D. Ilstrup, J. Silverfield, 1986, Medicine.

The epidemiology of sarcoidosis in Rochester, Minnesota: a population-based study of incidence and survival.

L. Elveback, L. Kurland, D. Ballard, 1986, American journal of epidemiology.

Long-term survival after pacemaker implantation for heart block in patients > or = 65 years.

K. Bailey, B. Gersh, D. Packer, 1994, The American journal of cardiology.

A Data-Driven Approach to Improving the Care of In-Center Hemodialysis Patients

D. Ballard, W. McClellan, S. Helgerson, 1995, Health care financing review.

Trends in Elderly Hospitalization and Readmission Rates for a Geographically Defined Population: Pre‐ and Post‐Prospective Payment

D. Ballard, C. Leibson, J. Naessens, 1991, Journal of the American Geriatrics Society.

Using Olmsted County "benchmarks" to assess corporate health care utilization and expenditures.

D. Ballard, D. Shaller, 1991, Journal of occupational medicine. : official publication of the Industrial Medical Association.

Disposition at discharge and 60-day mortality among elderly people following shorter hospital stays: a population-based comparison.

D. Ballard, C. Leibson, M. Campion, 1990, The Gerontologist.

Abdominal Aortic Aneurysm Surgery

L. Leape, J. Kahan, R. Brook, 1992 .

Incidence of Diabetic Retinopathy and Blindness: A Population-based Study in Rochester, Minnesota

L. Melton, D. Ballard, P. Palumbo, 1985, Diabetes Care.

Sources of Disparity in Incidence and Prevalence Studies of Diabetic Retinopathy: Influence of Selective Survival on Risk Factor Assessment

L. Melton, D. Ballard, L. J. Melton, 1986, Diabetes Care.

Prospective Evaluation of the Risk of Bacteremia Associated With Transesophageal Echocardiography

J. Seward, D. Ballard, B. Khandheria, 1991, Circulation.

Liver iron stores in patients with non-insulin-dependent diabetes mellitus.

K. Batts, P. O'Brien, R. Rizza, 1994, Mayo Clinic proceedings.

Cardiac revascularization in specialty and general hospitals.

D. Ballard, 2005, The New England journal of medicine.

Eight recommendations for maximizing the return on investment in external quality oversight.

D. Ballard, C. Cangialose, David J. Ballard, 1997, International journal for quality in health care : journal of the International Society for Quality in Health Care.

Surgery for small asymptomatic abdominal aortic aneurysms.

G. Filardo, D. Ballard, J. Powell, 2012, The Cochrane database of systematic reviews.

Evidence-based healthcare quality management in obstetrics and gynecology.

D. Ballard, J. Luthi, M. Dolan, 1998, Clinical obstetrics and gynecology.

Transesophageal echocardiography and bacterial endocarditis.

J. Seward, D. Ballard, B. Khandheria, 1993, Circulation.

Late Iliac Artery Aneurysms and Occlusive Disease After Aortic Tube Grafts for Abdominal Aortic Aneurysm Repair: A 35‐Year Experience

P. Pairolero, D. Ballard, J. Hallett, 1991, Annals of surgery.

Improving the Efficiency of Care

D. Ballard, N. Fleming, B. D. Graca, 2020 .

Clinical risk factors for Alzheimer's disease

D J Ballard, K P Offord, E. Kokmen, 1991, Neurology.

Positive predictive value of clinical suspicion of abdominal aortic aneurysm. Implications for efficient use of abdominal ultrasonography.

D. Ballard, D. Ilstrup, E. James, 1990, Archives of internal medicine.

Selective screening for abdominal aortic aneurysms with physical examination and ultrasound.

D. Ballard, 1989, Archives of internal medicine.

Identification of a low-risk subset of patients with stage IB invasive squamous cancer of the cervix possibly suited to less radical surgical treatment.

D. Hodge, D. Ballard, K. Podratz, 1995, Gynecologic oncology.

A population-based case-control study of temporal arteritis: evidence for an association between temporal arteritis and degenerative vascular disease?

S. Gabriel, W. O'Fallon, D. Ballard, 1989, International journal of epidemiology.

Health care reform at trauma centers--mortality, complications, and length of stay.

M. Pasquale, D. Ballard, A. Nathens, 2010, The Journal of trauma.

Review: feedback about practice patterns for measurable improvements in quality of care--a challenge for PROs under the Health Care Quality Improvement Program.

D. Ballard, R. Hayes, 1995, Clinical performance and quality health care.

The Stroke Prevention Patient Outcomes Research Team: Goals and Methods

G. DeFriese, P. Duncan, J. Whisnant, 1993 .

Abdominal aortic aneurysms

D. Ballard, 1990 .

Emboli in infective endocarditis: the prognostic value of echocardiography.

K. Bailey, D. Ballard, J. Murphy, 1991, Annals of internal medicine.

Prevalence and Associations of Abdominal Aortic Aneurysm Detected through Screening

D J Ballard, S. Wilson, D. Ballard, 1997, Annals of Internal Medicine.

Observations from the Field: Reporting Quality Metrics in Health Care

Ochin, Michael R. Waldrum, D. Ballard, 2016 .

Surgery for small asymptomatic abdominal aortic aneurysms.

D. Ballard, F. Fowkes, J. Powell, 2000, The Cochrane database of systematic reviews.

Epidemiology of Persistent Proteinuria in Type II Diabetes Mellitus: Population-Based Study in Rochester, Minnesota

L. Melton, W. O'Fallon, D. Ballard, 1988, Diabetes.

Insuring the uninsured: Potential impact of Health Care Reform Act of 2010 on trauma centers

D. Ballard, S. Shafi, S. Barnes, 2012, The journal of trauma and acute care surgery.

Incidence of ulcerative keratitis in a defined population from 1950 through 1988.

J. Erie, M. P. Nevitt, D. Hodge, 1993, Archives of ophthalmology.

Abdominal Aortic Aneurysm (Aaa): Cost-Effectiveness of Screening, Surveillance of Intermediate-Sized Aaa, and Management of Symptomatic Aaa

D. Ballard, E. Chaikof, S. Pitts, 2005, Proceedings.

The compression of morbidity hypothesis: promise and pitfalls of using record-linked data bases to assess secular trends in morbidity and mortality.

L. Melton, J. Whisnant, D. Ballard, 1992, The Milbank quarterly.

Lessons Learned from Pilot Site Implementation of an Ambulatory Electronic Health Record

Robert Hopkins, Phil Aponte, Cliff Fullerton, 2006, Proceedings.

Trends in incidence and clinical presentation of temporal arteritis in Olmsted County, Minnesota, 1950-1985.

G. Hunder, W. O'Fallon, D. Ballard, 1988, Arthritis and rheumatism.

The influence of diagnostic access bias on the epidemiology of sarcoidosis: a population-based study in Rochester, Minnesota, 1935-1984.

L. Melton, D. Ballard, C. Chu, 1988, Journal of clinical epidemiology.

Ocular Sarcoidosis

D. Ballard, H. Checkoway, J. Merritt, 1986, Annals of the New York Academy of Sciences.

Prevalence of columnar-lined (Barrett's) esophagus. Comparison of population-based clinical and autopsy findings.

D J Ballard, A R Zinsmeister, A. Zinsmeister, 1990, Gastroenterology.

Long-term survival and sequelae after surgical management of invasive cervical carcinoma diagnosed at the time of simple hysterectomy.

D. Ballard, K. Podratz, W. Kinney, 1992, Gynecologic oncology.

Prevalence of columnar-lined (Barrett's) esophagus

A. Zinsmeister, D. Ballard, J. Carney, 1990 .

Utilization trends and risk factors for hospitalization in diabetes mellitus.

D. Ballard, P. Palumbo, J. Naessens, 1990, Mayo Clinic proceedings.

Predictors of outcome after percutaneous endoscopic gastrostomy: a community-based study.

A. Zinsmeister, D. Ballard, E. Dimagno, 1992, Mayo Clinic proceedings.

A little statistical compassion linked to an intense and creative look at healthcare evidence: the genius of Kerr White.

D. Ballard, 1997, Health services research.

The Impact of Standardized Order Sets on Quality and Financial Outcomes

Julie Gunderson, Dave Heck, Neil S. Fleming, 2008 .

Rupture rate of large abdominal aortic aneurysms in patients refusing or unfit for elective repair.

Gary R Johnson, John Blebea, D. Ballard, 2002, JAMA.

The incidence and prevalence of congestive heart failure in Rochester, Minnesota.

K. Bailey, B. Gersh, D. Ballard, 1993, Mayo Clinic proceedings.

Surgery for small asymptomatic abdominal aortic aneurysms.

G. Filardo, D. Ballard, J. Powell, 2015, The Cochrane database of systematic reviews.

Clinical practice change requires more than comparative effectiveness evidence: abdominal aortic aneurysm management in the USA.

G. Filardo, D. Ballard, J. Powell, 2012, Journal of comparative effectiveness research.

Functioning insulinoma--incidence, recurrence, and long-term survival of patients: a 60-year study.

D. Ballard, F. Service, P. O'brien, 1991, Mayo Clinic proceedings.

Learning from the last ultrasound. A population-based study of patients with abdominal aortic aneurysm.

D. Ballard, J. Hallett, W. Reed, 1997, Archives of internal medicine.

Evaluation and management of patients with both peripheral vascular and coronary artery disease.

B. Gersh, D. Ballard, C. Rihal, 1991, Journal of the American College of Cardiology.

Rheumatoid pericarditis: clinical features and survival.

D. Ballard, D. Ilstrup, D. Connolly, 1990, Medicine.

A Population Study of the Natural History of Wolff‐Parkinson‐White Syndrome in Olmsted Count, Minnesota, 1953‐1989

K. Bailey, B. Gersh, D. Packer, 1993, Circulation.

Antithrombotic therapy practices in US hospitals in an era of practice guidelines.

A. Shillington, D. Ballard, R. Becker, 2005, Archives of internal medicine.

Sudden unexpected nontraumatic death in 54 young adults: a 30-year population-based study.

K. Bailey, B. Gersh, W. Edwards, 1995, The American journal of cardiology.

Prognosis of abdominal aortic aneurysms. A population-based study.

M. P. Nevitt, D. Ballard, J. Hallett, 1989, The New England journal of medicine.

Surgical treatment of patients with stages IB and IIA carcinoma of the cervix and palpably positive pelvic lymph nodes.

D. Hodge, D. Ballard, K. Podratz, 1995, Gynecologic oncology.

Epidemiology of Reiter's syndrome in Rochester, Minnesota: 1950-1980.

D. Ballard, C. Michet, C. Michet, 1988, Arthritis and rheumatism.

Immediate repair compared with surveillance of small abdominal aortic aneurysms.

Samuel E. Wilson, Gregory L. Moneta, Steven Sparks, 2002, The New England journal of medicine.

The Improving Primary Care of African Americans with Diabetes (IPCAAD) project: rationale and design.

D. Ballard, L. Phillips, D. Ziemer, 2002, Controlled clinical trials.

Effectiveness and cost of a transitional care program for heart failure: a prospective study with concurrent controls.

Neil Fleming, Cliff Fullerton, Jeph Herrin, 2011, Archives of internal medicine.

Barriers to compliance with evidence-based care in trauma

D. Ballard, S. Shafi, L. Gentilello, 2012, The journal of trauma and acute care surgery.

The Effect of External Feedback on the Management of Medicare Inpatients With Congestive Heart Failure

D. Baker, D. Ballard, J. Luthi, 2002, American journal of medical quality : the official journal of the American College of Medical Quality.

The Rochester Coronary Heart Disease Project: effect of cigarette smoking, hypertension, diabetes, and steroidal estrogen use on coronary heart disease among 40- to 59-year-old women, 1960 through 1982.

J. Annegers, D. Ballard, C. Beard, 1989, Mayo Clinic proceedings.

Process and Outcome of Care for Acute Myocardial Infarction among Medicare Beneficiaries in Connecticut: A Quality Improvement Demonstration Project

M. Radford, D. Ballard, T. Meehan, 1995, Annals of Internal Medicine.

The Value Proposition for Prevention and Screening

D. Ballard, N. Fleming, C. Fullerton, 2015 .

Chronic consequences of acute injuries: Worse survival after discharge

D. Ballard, S. Shafi, L. Gentilello, 2012, The journal of trauma and acute care surgery.

Variations among hospitals in the quality of care for heart failure.

D J Ballard, H. Krumholz, J. Herrin, 2000, Effective clinical practice : ECP.

Peer Review Organizations: Scientific Challenges in HCFA's Health Care Quality Improvement Initiative

D. Ballard, R. Hayes, M. T. Lundberg, 1994, Medical care review.

Prognostic value of exercise radionuclide angiography in a population-based cohort of patients with known or suspected coronary artery disease.

A. Zinsmeister, R. Gibbons, D. Ballard, 1994, The American journal of cardiology.

Purchasing oncology services

K. Dickersin, T. Ades, D. Ballard, 2000 .

Variability in measurement of abdominal aortic aneurysms. Abdominal Aortic Aneurysm Detection and Management Veterans Administration Cooperative Study Group.

D J Ballard, D B Reinke, S. Wilson, 1995, Journal of vascular surgery.

Changes over six years in administration of aspirin and beta blockers on arrival and timely reperfusion and in in-hospital and 30-day postadmission mortality in patients with acute myocardial infarction.

G. Filardo, D. Ballard, D. Nicewander, 2011, The American journal of cardiology.

Financial Performance of Primary Care Physician Practices Prior to Electronic Health Record Implementation

D. Ballard, E. Becker, S. Culler, 2009, Proceedings.

Impact of Clinical Preventive Services in the Ambulatory Setting

D. Ballard, M. Silverstein, J. Fong, 2008, Proceedings.

Effectiveness of Diabetes Resource Nurse Case Management and Physician Profiling in a Fee-For-Service Setting: A Cluster Randomized Trial

J. Herrin, D. Ballard, P. Hollander, 2006, Proceedings.

Moving from “optimal resources” to “optimal care” at trauma centers

D. Ballard, S. Shafi, L. Gentilello, 2012, The journal of trauma and acute care surgery.

Health Care Quality Improvement Across the Baylor Health Care System: The First Century

D. Ballard, R. Hopkins, Barbara Spreadbury, 2004, Proceedings.

Survival and Functional Independence after Implantation of a Permanent Pacemaker in Octogenarians and Nonagenarians: A Population-Based Study

K. Bailey, B. Gersh, W. Shen, 1996, Annals of Internal Medicine.

Risk of stroke with mitral valve prolapse in population-based cohort study.

W. O'Fallon, J. Whisnant, J. Annegers, 1995, Stroke.

Improving Quality and Reducing Inequities: A Challenge in Achieving Best Care

D. Ballard, R. Mayberry, Huanying Qin, 2006, Proceedings.

Cost and effects of performance feedback and nurse case management for medicare beneficiaries with diabetes: a randomized controlled trial.

J. Herrin, D. Ballard, D. Nicewander, 2007, Disease management : DM.

Readmissions and the quality of care in patients hospitalized with heart failure.

D. Kleinbaum, D. Ballard, J. Luthi, 2003, International journal for quality in health care : journal of the International Society for Quality in Health Care.

Episode-of-Care Characteristics and Costs for Hip and Knee Replacement Surgery in Hospitals Belonging to the High Value Healthcare Collaborative Compared With Similar Hospitals in the Same Health Care Markets

J. Weinstein, B. James, D. Ballard, 2017, Medical care.

Benign positional vertigo: incidence and prognosis in a population-based study in Olmsted County, Minnesota.

David A. Froehling, D J Ballard, M D Silverstein, 1991, Mayo Clinic proceedings.

Implementing a standardized order set for community-acquired pneumonia: impact on mortality and cost.

D. Ballard, David J Ballard, N. Fleming, 2009, Joint Commission journal on quality and patient safety.

Relation between mode of pacing and long-term survival in the very elderly.

B. Gersh, C. Lohse, W. Shen, 1999, Journal of the American College of Cardiology.

The consequences of under-use of coronary revascularization; results of a cohort study in Northern Italy.

A. Liberati, F. Valagussa, G. Filardo, 2001, European heart journal.

Early and late outcome of surgical repair for small abdominal aortic aneurysms: a population-based analysis.

D J Ballard, D. Ballard, J. Hallett, 1993, Journal of vascular surgery.

Impact of an EHR-Based Diabetes Management Form on Quality and Outcomes of Diabetes Care in Primary Care Practices

Phil Aponte, Cliff Fullerton, Jeph Herrin, 2015, American journal of medical quality : the official journal of the American College of Medical Quality.

The effectiveness of implementing an electronic health record on diabetes care and outcomes.

Phil Aponte, Cliff Fullerton, David Nicewander, 2012, Health services research.

Risk Factors for Diabetic Retinopathy: A Population-Based Study in Rochester, Minnesota

L. Melton, W. O'Fallon, D. Ballard, 1986, Diabetes Care.

Quality of life, impotence, and activity level in a randomized trial of immediate repair versus surveillance of small abdominal aortic aneurysm.

D. Ballard, S. Wilson, C. Acher, 2003, Journal of vascular surgery.

Effect of age on survival between open repair and surveillance for small abdominal aortic aneurysms.

G. Filardo, J. Herrin, D. Ballard, 2014, The American journal of cardiology.

Immediate open repair vs surveillance in patients with small abdominal aortic aneurysms: survival differences by aneurysm size.

G. Filardo, J. Herrin, D. Ballard, 2013, Mayo Clinic proceedings.

Journey to No Preventable Risk: The Baylor Health Care System Patient Safety Experience

D. Ballard, D. Kennerly, Kathleen M. Richter, 2011, American journal of medical quality : the official journal of the American College of Medical Quality.

The Olmsted County Benchmark Project: primary study findings and potential implications for corporate America.

D. Ballard, C. Leibson, M. Campion, 1992, Mayo Clinic proceedings.

Household Income Losses Associated With Ischaemic Heart Disease For US Employees

J. Herrin, D. Ballard, W. Weintraub, 2000, PharmacoEconomics.

Population-Based study of Echocardiography: Time Trends in Utilization and Diagonistic Profile of an Evolving Technology, 1975–1987

J. Seward, L. Melton, D. Ballard, 1989, International Journal of Technology Assessment in Health Care.

Linking health services research to education at an academic health center

D. Ballard, R. Greenberg, J. Eley, 1996, Academic medicine : journal of the Association of American Medical Colleges.

Sudden unexpected nontraumatic deaths in young adults: A 30-year population-based study

K. Bailey, B. Gersh, W. Edwards, 1991 .

Impact of a standardized heart failure order set on mortality, readmission, and quality and costs of care.

C. Yancy, D. Ballard, Brett D. Stauffer, 2010, International journal for quality in health care : journal of the International Society for Quality in Health Care.

The Role of Waiting Time in a Prepaid Health Care System: Evidence from the British National Health Service

D. Ballard, R. Feldman, 1981 .

The impact of electronic health records on workflow and financial measures in primary care practices.

Dunlei Cheng, Edmund R Becker, D. Ballard, 2014, Health services research.

Health care provider quality improvement organization Medicare data-sharing: a diabetes quality improvement initiative

David J. Ballard, David Nicewander, Cheryl Skinner, 2002, AMIA.

The quality of care for medicare patients with peptic ulcer disease

B. Marshall, J. Herrin, D. Ballard, 2000, American Journal of Gastroenterology.

The quality of care for Medicare patients with peptic ulcer disease.

B. Marshall, J. Herrin, D. Ballard, 2000 .

Cost Effectiveness of ACE Inhibitor Treatment for Patients with Type 1 Diabetes Mellitus

Stephen W. Sorensen, M. Engelgau, E. Dasbach, 2012, PharmacoEconomics.

What role do neurologists play in determining the costs and outcomes of stroke patients?

D B Matchar, G P Samsa, D J Ballard, 1996, Stroke.

Design of the abdominal aortic Aneurysm Detection and Management Study. ADAM VA Cooperative Study Group.

D J Ballard, D B Reinke, S. Wilson, 1994, Journal of vascular surgery.

Patient-Centeredness and Timeliness in a Primary Care Network: Baseline Analysis and Power Assessment for Detection of the Effects of an Electronic Health Record

J. Herrin, D. Ballard, N. Fleming, 2006, Proceedings.

Leveraging Community Information to Improve Health Equity.

D. Ballard, L. Nichols, 2022, Mayo Clinic proceedings.

The effects of interdisciplinary outpatient geriatrics on the use, costs and quality of health services in the fee-for-service environment

C. Boult, D. Ballard, K. Frick, 2008, Aging clinical and experimental research.

The comparative effectiveness and safety emerging methods symposium: a tribute to Harry A. Guess: father and consummate leader of pharmacoepidemiology.

D. Ballard, 2007, Medical care.

Influence of coronary heart disease on morbidity and mortality after carotid endarterectomy: a population-based study in Olmsted County, Minnesota (1970-1988)

B. Gersh, T. Sundt, W. O'Fallon, 1992, Journal of the American College of Cardiology.

Emory University Center for Clinical Evaluation Sciences: A Model for Clinical Practice Evaluation in the Changing Environment of the Academic Health Center

D. Ballard, K. Rask, E. Becker, 1996, Quality management in health care.

Expert Panel Assessment of Appropriateness of Abdominal Aortic Aneurysm Surgery: Global Judgement versus Probability Estimation

D J Ballard, M D Silverstein, D. Ballard, 1998, Journal of health services research & policy.

Effect of panel composition on physician ratings of appropriateness of abdominal aortic aneurysm surgery: elucidating differences between multispecialty panel results and specialty society recommendations.

J. Kahan, R. Brook, D. Ballard, 1997, Health policy.

Variations by specialty in physician ratings of the appropriateness and necessity of indications for procedures.

L. Leape, J. Kahan, R. Brook, 1996, Medical care.

National Priorities Partnership Focus on Eliminating Overuse

D. Ballard, Bradley M Leonard, 2011, American journal of medical quality : the official journal of the American College of Medical Quality.

The effect of health care system administrator pay-for-performance on quality of care.

J. Herrin, D. Ballard, D. Nicewander, 2008, Joint Commission journal on quality and patient safety.

Retrospective studies of left atrial thrombus

D. Ballard, 1991, Journal of general internal medicine.

Accelerating Best Care in Pennsylvania: Adapting a Large Academic System's Quality Improvement Process to Rural Community Hospitals

D. Nash, D. Ballard, B. Berman, 2008, American journal of medical quality : the official journal of the American College of Medical Quality.

A Hospital-Randomized Controlled Trial of an Educational Quality Improvement Intervention in Rural and Small Community Hospitals in Texas Following Implementation of Information Technology

G. Filardo, J. Herrin, D. Ballard, 2007, American journal of medical quality : the official journal of the American College of Medical Quality.

Indicators to improve clinical quality across an integrated health care system.

D. Ballard, David J Ballard, 2003, International journal for quality in health care : journal of the International Society for Quality in Health Care.

The Best Interest of the Patient

D. Nash, D. Ballard, 2020, American journal of medical quality : the official journal of the American College of Medical Quality.

Body mass index and the initial manifestation of coronary heart disease in women aged 40-59 years.

D. Ballard, C. Beard, A. Orencia, 1992, International Journal of Epidemiology.

Exposure to an aeroallergen as a possible precipitating factor in respiratory arrest in young patients with asthma.

K. Offord, D. Ballard, M. Somers, 1991, The New England journal of medicine.

The protean role of health care delivery organizations in comparative effectiveness research.

D. Ballard, A. Masica, 2009, Mayo Clinic proceedings.

The contribution of non-insulin-dependent diabetes to lower-extremity amputation in the community.

W. O'Fallon, D. Ballard, L. Humphrey, 1994, Archives of internal medicine.

Quality of Care of Medicare Patients With Diabetes in a Metropolitan Fee-for-Service Primary Care Integrated Delivery System

J. Herrin, D. Ballard, P. Hollander, 2005, American journal of medical quality : the official journal of the American College of Medical Quality.