TY  - BOOK
AU  - Ralph C.Benson.
AU  - Martin L.Pernoll
TI  - Benson and Pernoll's Handbook of Obstetrics and Gynecology
SN  - 0071054057
U1  - 618''077 
PY  - 1994///
CY  - New York
PB  - McGrawHill
ER  -