title: Hormonal steroids in contraception. Report of a WHO Scientific Group.
mesh_terms: D003270:Contraceptive Agents / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D004967:Estrogens / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D014944:World Health Organization
chemical_list: D003270:Contraceptive Agents; D004967:Estrogens; D011374:Progesterone