title: Update: The biological effects of hormonal contraceptives. Proceedings of a symposium held at the XIth World Congress of Gynecology and Obstetrics. Berlin, West Germany, September 18, 1985.
mesh_terms: D000818:Animals; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology*; D006801:Humans
chemical_list: D003278:Contraceptives, Oral, Hormonal