title: [Clinical epidemiology--therapy].
abstract: Basic principles for evaluation of the therapy methods are presented. Methodology of randomized clinical trial is described in details and problems complicating correct interpretation of results are pointed out.
authors.affiliation: Ustav preventivního lékarství LF UP, Olomouc. janout@tunw.upol.cz
authors.forename: V
authors.initials: V
authors.lastname: Janout
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D016896:Treatment Outcome