title: [Ultrasound screening--quality assurance of the method is important].
authors.forename: V
authors.initials: V
authors.lastname: Odlind
authors.forename: H
authors.initials: H
authors.lastname: Almström
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011785:Quality Assurance, Health Care; D013548:Sweden; D016216:Ultrasonography, Prenatal / Q000592:standards*