title: [Ultrasonics in obstetrics in the 1980's].
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis; D011296:Prenatal Diagnosis; D014463:Ultrasonography
vernacular_title: Obstetrinen ultraäänitutkimus 1980-luvulla.