TY  - BOOK
AU  - Speroff.Leon
TI  - A clinical guide for contraception
SN  - 9780781729840
AV  - MEDRB136 .S63
PY  - 2001///
CY  - Philladelphia
PB  - Lippincott Williams & Wilkins
KW  - Contraception-methods
ER  -