Letter: Oral contraceptives and premenstrual tension.
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*
D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004338:Drug Combinations