title: Prenatal screening for Down's syndrome in Maine, 1980 to 1993.
authors.forename: G E
authors.initials: GE
authors.lastname: Palomaki
authors.forename: J E
authors.initials: JE
authors.lastname: Haddow
authors.forename: L J
authors.initials: LJ
authors.lastname: Beauregard
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008281:Maine; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000706:statistics & numerical data* / Q000639:trends