TY - GEN AU - Gehan,E A TI - The scientific basis of clinical trials: statistical aspects SN - 1078-0432 PY - 1999///0303 KW - Antineoplastic Combined Chemotherapy Protocols KW - therapeutic use KW - Clinical Protocols KW - Clinical Trials as Topic KW - standards KW - Humans KW - Leukemia KW - drug therapy KW - Neoplasms KW - mortality KW - Randomized Controlled Trials as Topic KW - Regression Analysis KW - Research Design KW - Survival Analysis N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Review ER -