title: [Rates and proportions of the development of prophylactic medical care in the USSR].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D049673:History, 20th Century; D006760:Hospitalization / Q000639:trends; D006801:Humans; D011247:Pregnancy; D011314:Preventive Health Services / Q000266:history* / Q000706:statistics & numerical data; D012017:Referral and Consultation / Q000706:statistics & numerical data; D014586:USSR
vernacular_title: Izuchenie tempov i proportsiĭ razvitiia lechebno-profilakticheskoĭ pomoshchi v SSSR.