title: Premenstrual syndrome and oral contraceptives of different character.
authors.forename: G
authors.initials: G
authors.lastname: Hetényi
mesh_terms: D000293:Adolescent; D000328:Adult; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects / Q000627:therapeutic use*; D004997:Ethinyl Estradiol / Q000009:adverse effects / Q000627:therapeutic use*; D019304:Ethinyl Estradiol-Norgestrel Combination; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000009:adverse effects / Q000627:therapeutic use*; D011293:Premenstrual Syndrome / Q000188:drug therapy* / Q000503:physiopathology; D011897:Random Allocation
chemical_list: D003280:Contraceptives, Oral, Synthetic; D009644:Norgestrel; D004997:Ethinyl Estradiol; D019304:Ethinyl Estradiol-Norgestrel Combination