title: [Ultrasound diagnosis--a risk-free method?].
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012306:Risk; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography
vernacular_title: Ultraschalldiagnostik--eine risikofreie Methode?