Prenatal screening for Down's syndrome in Maine, 1980 to 1993.
Palomaki
G E
GE
Haddow
J E
JE
Beauregard
L J
LJ
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