title: [Triphasic versus monophasic p-pill. A comparative multicenter study].
authors.forename: T
authors.initials: T
authors.lastname: Engebretsen
authors.forename: E
authors.initials: E
authors.lastname: Thorsen
authors.forename: C C
authors.initials: CC
authors.lastname: Smith
authors.forename: T
authors.initials: T
authors.lastname: Bull-Njaa
authors.forename: A
authors.initials: A
authors.lastname: Christensen
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects; D005260:Female; D006801:Humans; D011897:Random Allocation
chemical_list: D003277:Contraceptives, Oral, Combined
vernacular_title: Trefasisk versus monofasisk p-pille. En sammenlignende multisenterstudie.