title: [Catch 22 in research may be eliminated by registration].
authors.forename: T
authors.initials: T
authors.lastname: Troëng
authors.forename: D
authors.initials: D
authors.lastname: Bergqvist
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D012042:Registries; D012106:Research; D013548:Sweden
vernacular_title: Registrering kan upphäva forskningens moment 22.