What kind of randomized trials do we need?
Zwarenstein
Merrick
M
Centre for Health Services Sciences, Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Rm. G1-06, 2075 Bayview Ave., Toronto, ON M4N 3M5. merrick.zwarenstein@ices.on.ca
Treweek
Shaun
S
D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D014481:United States; D014486:United States Food and Drug Administration