title: [Postpartum backache. An epidemiological study].
authors.forename: O
authors.initials: O
authors.lastname: Kogstad
authors.forename: K
authors.initials: K
authors.lastname: Leikanger
mesh_terms: D000293:Adolescent; D000328:Adult; D001416:Back Pain / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009664:Norway; D011247:Pregnancy; D011248:Pregnancy Complications; D011644:Puerperal Disorders / Q000453:epidemiology*
vernacular_title: Ryggsmerter etter fødsel. En epidemiologisk undersøkelse.