Oral contraceptive use and breast cancer risk in areas with different incidence. A case-control study among young women.
Traina
A
A
M. Ascoli Cancer Hospital, U.S.L. 58, Palermo, Italy.
Cusimano
R
R
Liquori
M
M
Calabria
C
C
Biglia
N
N
Ponzone
R
R
Sgrò
L
L
Sismondi
P
P
D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D016022:Case-Control Studies; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008875:Middle Aged; D012307:Risk Factors
D003276:Contraceptives, Oral