title: The current role of sonography in the detection of Down syndrome.
authors: B R
authors: BR
authors: Benacerraf
authors: F D
authors: FD
authors: Frigoletto
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography