Oral-contraceptive use, anovulatory action, and risk of epithelial ovarian cancer.
Risch
H A
HA
D003276:Contraceptives, Oral / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000517:prevention & control*; D010060:Ovulation / Q000187:drug effects / Q000502:physiology*; D010298:Parity; D012307:Risk Factors
D003276:Contraceptives, Oral