TY  - BOOK
AU  - Grudzinskas, J G
AU  - Ward, R H T
ED  - Rcog
ED  - Royal College Obstet & Gynaecologists
TI  - Screening for Down Syndrome in the first trimester
SN  - 0902331981
PY  - 1997///
PB  - Royal College Obstet & Gynaecologists
KW  - Down syndrome
KW  - Screening
KW  - Prenatal care
ER  -