Use of free beta-hCG in Down's syndrome screening.
Wald
N
N
Hackshaw
A
A
Haddow
J E
JE
Palomaki
G E
GE
Knight
G J
GJ
D000293:Adolescent; D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood*; D018997:Chorionic Gonadotropin, beta Subunit, Human; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D010446:Peptide Fragments / Q000097:blood*; D011237:Predictive Value of Tests; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000706:statistics & numerical data*
D006063:Chorionic Gonadotropin; D018997:Chorionic Gonadotropin, beta Subunit, Human; D010446:Peptide Fragments