Concepedia
JAMA · 2002 · 184 citations · 26 references
In men with stable CAD, sildenafil had no effect on symptoms, exercise duration, or presence or extent of exercise-induced ischemia, as assessed by exercise echocardiography.
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Impotence and Its Medical and Psychosocial Correlates: Results of the Massachusetts Male Aging Study
Henry A. Feldman, Irwin Goldstein, Dimitrios Hatzichristou et al. · The Journal of Urology · 1994 · 5.1K citations
What's the Relative Risk?
Jun Zhang, Kai Yu · JAMA · 1998 · 4K citations
Analysis of Probability as an Aid in the Clinical Diagnosis of Coronary-Artery Disease
George Diamond, James S. Forrester · New England Journal of Medicine · 1979 · 2.7K citations
Diagnosis, Conditional Probability, Medical Diagnosis +19
The two‐period cross‐over clinical trial.
Michael Hills, P. Armitage · British Journal of Clinical Pharmacology · 1979 · 1.4K citations · Full text
Clinical Trial Analysis, Clinical Trials, Clinical Studies +5
The Two-Period Change-Over Design and Its Use in Clinical Trials
James E. Grizzle · Biometrics · 1965 · 787 citations
Random Assignment, Clinical Endpoint, Treatment Effect +23