title: [Meta-analysis of clinical studies: value for the wise or risk for harm?].
authors.affiliation: Klinik und Poliklinik für Strahlentherapie und Radioonkologie, Medizinische Fakultät Carl Gustav Carus, TU Dresden. michael.baumann@mailbox.tu-dresden.de
authors.forename: M
authors.initials: M
authors.lastname: Baumann
mesh_terms: D015982:Bias; D003131:Combined Modality Therapy; D003625:Data Collection / Q000706:statistics & numerical data; D006801:Humans; D015201:Meta-Analysis as Topic; D009369:Neoplasms / Q000401:mortality / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D016019:Survival Analysis