The Fielding H. Garrison Lecture: Ceteris paribus: the evolution of the clinical trial.
D002986:Clinical Trials as Topic; D035061:Control Groups; D004311:Double-Blind Method; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011897:Random Allocation; D013223:Statistics as Topic