[Analysis on the background of arising of Evidence-based medicine].
Xie
Yu
Y
China Center for Evidence-Based Medicine, Sichuan University, Chengdu 610041, China.
Ai
Chang-lin
CL
Deng
Shao-lin
SL
Li
You-ping
YP
D019317:Evidence-Based Medicine / Q000266:history*; D049673:History, 20th Century; D006801:Humans