title: [Non-publication and negative studies. Their significance for opinion formation and research].
authors.affiliation: Institut für Klinisch-Experimentelle Chirurgie, Universität des Saarlandes 66421 Homburg/Saar. exmdme@med-rz.uni-sb.de
authors.forename: M D
authors.initials: MD
authors.lastname: Menger
authors.forename: B
authors.initials: B
authors.lastname: Vollmar
mesh_terms: D006801:Humans; D010506:Periodicals as Topic / Q000592:standards*; D017594:Publication Bias; D012106:Research / Q000592:standards*