title: Detection of Down's syndrome in low risk patients.
authors.affiliation: Guy's Hospital, London.
authors.forename: G
authors.initials: G
authors.lastname: Desai
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005333:Fetus / Q000473:pathology; D006801:Humans; D009333:Neck / Q000473:pathology; D011296:Prenatal Diagnosis; D012307:Risk Factors; D014463:Ultrasonography