title: [Clinical studies--what is the putting of the question?].
authors.affiliation: Abteilung Strahlentherapie, Universität Freiburg. gut@uni-freiburg.de
authors.forename: R
authors.initials: R
authors.lastname: Guttenberger
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D017321:Clinical Trials, Phase I as Topic; D017322:Clinical Trials, Phase II as Topic; D017326:Clinical Trials, Phase III as Topic; D006801:Humans; D012107:Research Design; D016019:Survival Analysis