[New discoveries on oral contraceptives and risk of breast cancer. International data show a moderate increase in risk].
Persson
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I
Istitutionen för cancerepidemiologi, Akademiska sjukhuset, Uppsala.
D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007391:International Cooperation; D012307:Risk Factors
D003276:Contraceptives, Oral