TY  - BOOK
AU  - Speroff, Leon,
AU  - Darney, Philip D.
TI  - A clinical guide for contraception
SN  - 0683180355
PY  - 1996///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Contraception
N1  - Includes bibliographical references and index
ER  -