Breast cancer and combined oral contraceptives.
J D
JD
Shelton
D015982:Bias; D001943:Breast Neoplasms / Q000453:epidemiology*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012306:Risk
D003277:Contraceptives, Oral, Combined