Designing Clinical Research,Designing Clinical Research: An Epidemiologic Approach: Cummings, Steven R., Browner, Warren S., M.D., Grady, Deborah G., M.D., Hearst, Norman, Newman, Thomas B., M.D., Hulley, Stephen B., Hulley, Stephen B.: 9780781722186: Amazon.com: Books,Designing Clinical Research: Hulley, Stephen B., Cummings, Steven R., Browner, Warren S., M.D., Grady, Deborah G., M.D., Newman, Thomas B., M.D.: ,A Designer's Research Manual, 2nd edition, Updated and Expanded: Succeed in design by knowing your clients and understanding what they really need: ,Study designs and research methodology in the field of otolaryngology | The Egyptian Journal of Otolaryngology | Full Text,