Designing Clinical Research,Designing Clinical Research,Amazon | Designing Clinical Research | Hulley, Stephen B., Cummings, Steven R., Browner, Warren S., M.D., Grady, Deborah G., M.D., Newman, Thomas B., ,Amazon | Designing Clinical Research | Hulley, Stephen B., Cummings, Steven R., Browner, Warren S., M.D., Grady, Deborah G., M.D., Newman, Thomas B., M.D. | Biostatistics,Sample Size Calculations in Clinical Research, Second Edition (Chapman & Hall/CRC Biostatistics Series): 9781584889823: Medicine & Health Science