QG GENITO URINARY SYSTEM AND SEX HORMONES
QG03 SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
QG03A HORMONAL CONTRACEPTIVES FOR SYSTEMIC USE
QG03AA Progestogens and estrogens, fixed combinations
QG03AA05 norethisterone and ethinylestradiol
Last updated: 2024-01-17