title: Prenatal ultrasound examinations: for whom, by whom, what, when and how many?
authors.forename: M
authors.initials: M
authors.lastname: Bronshtein
authors.forename: E Z
authors.initials: EZ
authors.lastname: Zimmer
mesh_terms: D000328:Adult; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal / Q000592:standards*