Ethical issues in randomised prevention trials.
Wald
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Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, St Bartholomew's Hospital Medical College, London.
D004992:Ethics, Medical; D006295:Health Resources; D006801:Humans; D038622:Internationality; D011315:Preventive Medicine / Q000592:standards*; D016032:Randomized Controlled Trials as Topic; D012106:Research; D040841:Resource Allocation; D018570:Risk Assessment; D035501:Uncertainty