title: John Rock: pioneer in the development of oral contraceptives.
authors.forename: Marc A
authors.initials: MA
authors.lastname: Shampo
authors.forename: Robert A
authors.initials: RA
authors.lastname: Kyle
mesh_terms: D003276:Contraceptives, Oral / Q000266:history; D005193:Family Planning Services / Q000266:history*; D006176:Gynecology / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008849:Micronesia; D009774:Obstetrics / Q000266:history; D010678:Philately; D014481:United States
chemical_list: D003276:Contraceptives, Oral