title: Randomized controlled trials.
authors.affiliation: HIV Prevention Trials Division, Family Health International, Research Triangle Park, NC 27709, USA.
authors.forename: K F
authors.initials: KF
authors.lastname: Schulz
mesh_terms: D018849:Controlled Clinical Trials as Topic; D004311:Double-Blind Method; D017408:Guidelines as Topic; D006801:Humans; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic