title: Prenatal detection of fetal Down's syndrome.
authors: M
authors: M
authors: Choolani
authors: C
authors: C
authors: Campagnoli
authors: P
authors: P
authors: Bennett
authors: I
authors: I
authors: Roberts
authors: N M
authors: NM
authors: Fisk
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*