title: [Some data on the obstetrician-gynecologist cadres in Leningrad].
mesh_terms: D006176:Gynecology; D006280:Health Workforce / Q000600:supply & distribution*; D009774:Obstetrics; D012426:Russia; D013038:Specialization
vernacular_title: Nekotorye dannye o kadrakh akusherov-ginekologov Leningrada.