TY  - BOOK
TI  - Oral contraceptives and neoplasia: Report of a who scientific group
T2  - Who technical report series
SN  - 92-4-120817-1
AV  - RC268.7O72 O73
PY  - 1992///
CY  - Geneva
PB  - Organizacion mundial de la salud
KW  - Anticonceptivos orales
KW  - Carcinogenesis
ER  -