Swedish studies link hormone use to higher breast cancer risk.
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D000293:Adolescent; D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause / Q000187:drug effects; D012307:Risk Factors; D013548:Sweden
D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens