TY  - BOOK
TI  - Safety requirement for contraceptive steroids
SN  - 9780521354592
AV  - MED RG157 S98
PY  - 1989///
CY  - New York
PB  - Cambridge University Press
KW  - Oral contraceptives- side effects
KW  - Oral contraceptives - toxicology
KW  - Steroid hormonies - side effects
ER  -