title: The next generation of oral contraceptives. Proceedings of a symposium held at the XII World Congress of the International Federation of Gynecology and Obstetrics. Rio de Janeiro, October 26, 1988.
mesh_terms: D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006801:Humans
chemical_list: D003276:Contraceptives, Oral