TY  - BOOK
AU  - GABBE, STEVEN G (ed)
AU  - NIEBYL, JENNIFER R (ed)
AU  - SIMPSON, JOE LEIGH (ed)
TI  - Obstetrics: normal and problem pregnancies
SN  - 0443065721
PY  - 2002///
CY  - PHILADELPHIA
PB  - Churchill Livingstone
ER  -