Centralized system for collection and analysis of data on patients in the USSR.
D003710:Demography; D001330:Electronic Data Processing; D004812:Epidemiologic Methods; D006285:Health Planning; D006801:Humans; D007255:Information Services; D008499:Medical Records; D001523:Mental Disorders / Q000453:epidemiology*; D008605:Mental Health Services; D008962:Models, Theoretical; D009017:Morbidity; D012042:Registries; D014586:USSR