Childbearing, oral contraceptive use, and breast cancer.
McPherson
K
K
D000367:Age Factors; D001943:Breast Neoplasms / Q000209:etiology*; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D012306:Risk
D003276:Contraceptives, Oral