Leads from the MMWR. Oral contraceptive use and the risk of breast cancer in young women.
D000328:Adult; D000367:Age Factors; D001943:Breast Neoplasms / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012306:Risk
D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal