title: Controlled trials: allocation concealment, random allocation, and blinding.
authors.affiliation: Institute for Medical and Biomedical Education, St George's, University of London, London, UK p.sedgwick@sgul.ac.uk.
authors.forename: Philip
authors.initials: P
authors.lastname: Sedgwick
mesh_terms: D004311:Double-Blind Method; D005260:Female; D006801:Humans; D018579:Patient Selection; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic; D012907:Smoking / Q000188:drug therapy; D016540:Smoking Cessation / Q000379:methods; D061485:Tobacco Use Cessation Devices