title: [How to plan a controlled clinical trial?].
authors.affiliation: bender@post.tau.ac.il
authors.forename: M
authors.initials: M
authors.lastname: Benderly
authors.forename: G
authors.initials: G
authors.lastname: Chodick
authors.forename: Y
authors.initials: Y
authors.lastname: Lerman
mesh_terms: D018849:Controlled Clinical Trials as Topic; D015340:Epidemiologic Research Design; D006801:Humans; D015588:Observer Variation; D012107:Research Design / Q000592:standards*