TY  - BOOK
AU  - Speroff , Leon
TI  - Clinical Guide for Contraception 
SN  - 9788184735321
U1  - 613.9432 
PY  - 2011///
CY  - New Delhi
PB  - Wolters Kluwer
KW  - Obstetrics
KW  - Medical Science
ER  -