title: Letter: Oral contraceptives and premenstrual tension.
mesh_terms: D003276:Contraceptives, Oral / Q000627:therapeutic use*; D003278:Contraceptives, Oral, Hormonal / Q000627:therapeutic use*; D004338:Drug Combinations; D005260:Female; D006801:Humans; D011293:Premenstrual Syndrome / Q000188:drug therapy*
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004338:Drug Combinations