title: [The concept cross-over study and its translation].
authors.affiliation: erlend.hem@medisin.uio.no
authors.forename: Erlend
authors.initials: E
authors.lastname: Hem
authors.forename: Geir W
authors.initials: GW
authors.lastname: Jacobsen
mesh_terms: D018592:Cross-Over Studies; D009664:Norway; D010506:Periodicals as Topic; D009626:Terminology as Topic; D014177:Translations