TY  - BOOK
AU  - Gahart, Betty L.
TI  - A Textbook of obstetrics for nurses and midwives (pregnancy and child-birth)
SN  - 81-7179-773-3.
U1  - 610.73678 
PY  - 2000///
CY  - New Delhi
PB  - Jaypee Brothers Medical Publishers
ER  -