title: [Clinical trials--what is the question?].
authors.affiliation: Abteilung Strahlentherapie, Universität Freiburg. gut@uni-freiburg.de
authors.forename: R
authors.initials: R
authors.lastname: Guttenberger
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D006801:Humans; D009369:Neoplasms / Q000401:mortality / Q000628:therapy*; D016019:Survival Analysis