Controlled trials in single subjects. 2. Limitations of use.
Lewis
J A
JA
Medical Affairs Department, ICI Pharmaceuticals, Alderley Park, Macclesfield, Cheshire.
D004341:Drug Evaluation; D006801:Humans; D015990:Placebo Effect; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data