Oral contraceptives, tobacco smoking, and breast cancer risk.
Trichopoulos
D
D
Katsouyanni
K
K
D001943:Breast Neoplasms / Q000209:etiology*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*
D003276:Contraceptives, Oral