title: Critical evaluation of the Newcastle-Ottawa scale for the assessment of the quality of nonrandomized studies in meta-analyses.
authors.affiliation: Institut für Klinische Epidemiologie, Martin-Luther-Universität Halle-Wittenberg, Saale, Germany. andreas.stang@medizin.uni-halle.de
authors.forename: Andreas
authors.initials: A
authors.lastname: Stang
mesh_terms: D016022:Case-Control Studies; D002986:Clinical Trials as Topic / Q000592:standards* / Q000706:statistics & numerical data*; D015331:Cohort Studies; D006801:Humans; D015201:Meta-Analysis as Topic; D054928:Validation Studies as Topic