TY  - BOOK
T1  - Manual of contraceptive practice Edward C. Mann. chairman, Nathaniel H. Coope, John M. Cotton.
A1  - Calderon, Mary Steichen
LA  - English
PP  - Baltimore
PB  - Williams & Wilkins
YR  - 1964
ED  - Rev.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607172803
OP  - 315
CN  - RG 136 C3 1966
KW  - Conception : Prevention.
ER  -