Risk for Valvular Heart Disease among Users of Fenfluramine and Dexfenfluramine Who Underwent Echocardiography before Use of Medication

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

1987 • 44,619 citations

A brief self-administered questionnaire to determine functional capacity (The Duke Activity Status Index)

1989 • 1,620 citations

Valvular Heart Disease Associated with Fenfluramine–Phentermine

1997 • 1,595 citations

Color Doppler assessment of mitral regurgitation with orthogonal planes.

1987 • 1,227 citations

Evaluation of aortic insufficiency by Doppler color flow mapping

1987 • 893 citations

Carcinoid heart disease. Clinical and echocardiographic spectrum in 74 patients.

1993 • 584 citations

Quantitative assessment of mitral regurgitation by doppler color flow imaging: Angiographic and hemodynamic correlations

1989 • 395 citations

Textbook of Clinical Echocardiography

1995 • 364 citations

The Prevalence of Cardiac Valvular Insufficiency Assessed by Transthoracic Echocardiography in Obese Patients Treated with Appetite-Suppressant Drugs

1998 • 264 citations

Age-related Prevalence of Valvular Regurgitation in Normal Subjects: A Comprehensive Color Flow Examination of 118, Volunteers

1990 • 209 citations

Valve Disease Associated with Ergot Alkaloid Use: Echocardiographic and Pathologic Correlations

1992 • 157 citations

Influence of mitral valve morphology on mitral balloon commissurotomy: Immediate and six-month results from the NHLBI Balloon Valvuloplasty Registry

1992 • 51 citations