TY  - BOOK
ED  - Institute of Medicine (U.S.).
TI  - Oral contraceptives & breast cancer
SN  - 0309044936
PY  - 1991///
CY  - Washington, D.C.
PB  - National Academy Press
KW  - Breast neoplasms
KW  - chemically induced
KW  - Contraceptives, Oral
KW  - adverse effects
KW  - Risk factors
ER  -