G03AA07 - ethinylestradiol + levonorgestrel (Genito urinary system and sex hormones | Hormonal contraceptives for systemic use | Progestogens and estrogens, fixed combinations)
G02BA03 - levonorgestrel (Genito urinary system and sex hormones | Contraceptives for topical use | Intrauterine contraceptives)
G03AA07 - levonorgestrel + ethinylestradiol (Genito urinary system and sex hormones | Hormonal contraceptives for systemic use | Progestogens and estrogens, fixed combinations)