title: Oral contraceptive pills as primary prevention for ovarian cancer: a systematic review and meta-analysis.
authors.affiliation: Department of Obstetrics and Gynecology, University of Pecs, Pecs, Hungary.
authors.forename: Ioannis
authors.initials: I
authors.lastname: Hatzipetros
authors.forename: Peter M
authors.initials: PM
authors.lastname: Gocze
authors.forename: Balint
authors.initials: B
authors.lastname: Farkas
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000517:prevention & control*; D011247:Pregnancy; D011322:Primary Prevention / Q000379:methods*
chemical_list: D003276:Contraceptives, Oral