title: Appropriate epidemiologic methods as a prerequisite for valid study results.
authors.affiliation: Institute of Clinical Epidemiology, Medical Faculty, Martin-Luther-University of Halle-Wittenberg, Halle, Germany. andreas.stang@medizin.uni-halle.de
authors.forename: Andreas
authors.initials: A
authors.lastname: Stang
mesh_terms: D015982:Bias; D015984:Causality; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D004781:Environmental Exposure; D004812:Epidemiologic Methods; D006801:Humans; D015203:Reproducibility of Results; D018570:Risk Assessment; D012680:Sensitivity and Specificity