title: How important are comprehensive literature searches and the assessment of trial quality in systematic reviews? Empirical study.
authors.affiliation: Department of Social and Preventive Medicine, University of Berne, Switzerland.
authors.forename: M
authors.initials: M
authors.lastname: Egger
authors.forename: P
authors.initials: P
authors.lastname: Juni
authors.forename: C
authors.initials: C
authors.lastname: Bartlett
authors.forename: F
authors.initials: F
authors.lastname: Holenstein
authors.forename: J
authors.initials: J
authors.lastname: Sterne
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D016206:Databases, Bibliographic; D016208:Databases, Factual; D006801:Humans; D016247:Information Storage and Retrieval / Q000379:methods*; D007802:Language; D015201:Meta-Analysis as Topic; D010506:Periodicals as Topic; D012196:Review Literature as Topic