title: [Contraceptive coils and their problems].
authors.forename: J
authors.initials: J
authors.lastname: Toivonen
authors.forename: T
authors.initials: T
authors.lastname: Luukkainen
mesh_terms: D000293:Adolescent; D000328:Adult; D004869:Equipment Safety; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper / Q000009:adverse effects*; D008875:Middle Aged; D000292:Pelvic Inflammatory Disease / Q000209:etiology*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology*
vernacular_title: Kierukkaehkäisy ja sen ongelmat.