TY  - GEN
AU  - Meier,Chris
AU  - Huang,Tianhua
AU  - Wyatt,Philip R
AU  - Summers,Anne M
TI  - Accuracy of expected risk of Down syndrome using the second-trimester triple test
SN  - 0009-9147
PY  - 2002///0412
KW  - Chorionic Gonadotropin
KW  - blood
KW  - Down Syndrome
KW  - Estriol
KW  - Female
KW  - Gestational Age
KW  - Humans
KW  - Pregnancy
KW  - Pregnancy Trimester, Second
KW  - Risk Factors
KW  - alpha-Fetoproteins
KW  - analysis
N1  - Publication Type: Journal Article
ER  -