TY  - BOOK
AU  - Speroff,Leon
AU  - Darney,Philip D.
TI  - A clinical guide for contraception
SN  - 9780683180350
U1  - WP 630 
PY  - 1996///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Contraception
KW  - methods
N1  - Includes bibliographical references and index
ER  -