title: [Quality demands on continuing differential diagnostic sonography in prenatal diagnostics (DEGUM stage II) during the 18th to 22nd weeks of gestation].
authors.forename: E
authors.initials: E
authors.lastname: Merz
authors.forename: K H
authors.initials: KH
authors.lastname: Eichhorn
authors.forename: M
authors.initials: M
authors.lastname: Hansmann
authors.forename: K
authors.initials: K
authors.lastname: Meinel
mesh_terms: D000013:Congenital Abnormalities / Q000000981:diagnostic imaging; D005260:Female; D005858:Germany; D006801:Humans; D007231:Infant, Newborn; D007258:Informed Consent / Q000331:legislation & jurisprudence; D008403:Mass Screening; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011785:Quality Assurance, Health Care; D016216:Ultrasonography, Prenatal