title: [Intrauterine devices and extrauterine pregnancy].
authors.forename: P
authors.initials: P
authors.lastname: Bergsjø
authors.forename: R
authors.initials: R
authors.lastname: Sandvei
mesh_terms: D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology*
vernacular_title: Spiral og extrauterine svangerskap.