title: Tubal ligation and risk of ovarian cancer.
authors.forename: A N
authors.initials: AN
authors.lastname: Gjorgov
mesh_terms: D003276:Contraceptives, Oral / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000517:prevention & control*; D013246:Sterilization, Tubal
chemical_list: D003276:Contraceptives, Oral