[History of the development of epidemiologic experimental study].
Wu
Tao
T
Department of Epidemiology and Public Health Statistics, School of Public Health, Beijing University, Beinjing 100083, China
Zhan
Si-yan
SY
Li
Li-ming
LM
D016022:Case-Control Studies; D002681:China; D015331:Cohort Studies; D004812:Epidemiologic Methods; D004813:Epidemiology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D016032:Randomized Controlled Trials as Topic