Designing Clinical Research
Hulley, Stephen B./Cummings, Steven R./Browner, Warren S., M.D./Grady, Deborah G., M.D./Newman, Thomas B., M.D.
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Designing Clinical Research
Hulley, Stephen B/Cummings MD, Steven R/Browner MD MPH, Warren S/Grady MD MPH, Deborah G/Newman MD MPH, Thomas B
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Designing Clinical Research: An Epidemiologic Approach
Hulley, Stephen B./Cummings, Steven R./Browner, Warren S., M.D./Grady, Deborah G., M.D./Hearst, Norman/Newman, Thomas B., M.D./Hulley, Stephen B.
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