TY  - BOOK
AU  - Gabbe,Steven G.
AU  - Niebyl,Jennifer R.
AU  - Simpson,Joe Leigh
TI  - Obstetrics: normal and problem pregnancies 
SN  - 0443083584
PY  - 1986///
CY  - New York
PB  - Churchill Livingstone
KW  - Obstetrics
KW  - Pregnancy Complications
KW  - Pregnancy
ER  -