title: [Clinical trials. When and why: the principle of randomization and double-blind method].
authors.affiliation: Centro di Coordinamento per Studi Clinici Fondazione Salvatore Maugeri Via Pinidolo, 23, 25064 Gussago, BS. degiuli.fsm.gussago@numerica.it
authors.forename: F
authors.initials: F
authors.lastname: de Giuli
mesh_terms: D004311:Double-Blind Method; D016032:Randomized Controlled Trials as Topic / Q000379:methods*