Re: randomized controlled trials in surgery: an essential component of scientific progress (Spine 1999; 24:2553-5)
Fu
W K
WK
D004992:Ethics, Medical; D006381:Helsinki Declaration; D006805:Human Experimentation; D006801:Humans; D010817:Physician-Patient Relations; D016032:Randomized Controlled Trials as Topic; D013131:Spine / Q000601:surgery*