title: [50 years of the organization of obstetric-gynecological aid in the USSR].
mesh_terms: D006176:Gynecology / Q000266:history*; D049673:History, 20th Century; D009774:Obstetrics / Q000266:history*; D014586:USSR
vernacular_title: 50 let organizatsii akushersko-ginekologicheskoĭ pomoshchi v SSSR.