TY  - BOOK
AU  - Cunningham Gary F
AU  - Bloom Steven L, Hauth John C, Gilstrap Larry C And Wensrom Katherine D
AU  - Leveno Kenneth J
TI  - Williams obstetrics
SN  - 0071413154
PY  - 2005///
CY  - New york
PB  - Mcgraw hill
ER  -