title: The worm turns: publication bias and trial registers revisited.
authors.forename: John
authors.initials: J
authors.lastname: Geddes
authors.forename: Peter
authors.initials: P
authors.lastname: Szatmari
authors.forename: David
authors.initials: D
authors.lastname: Streiner
mesh_terms: D002986:Clinical Trials as Topic; D019317:Evidence-Based Medicine; D017594:Publication Bias; D012042:Registries