title: Decreased risk of endometrial cancer among oral-contraceptive users.
mesh_terms: D000230:Adenocarcinoma / Q000453:epidemiology*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology; D003279:Contraceptives, Oral, Sequential / Q000494:pharmacology; D005260:Female; D006801:Humans; D008875:Middle Aged; D012306:Risk; D013997:Time Factors; D014594:Uterine Neoplasms / Q000453:epidemiology*
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003279:Contraceptives, Oral, Sequential