[Improvement in the system of the investigation, registration and computation of the data on occupational morbidity].
D000208:Acute Disease; D002908:Chronic Disease; D004812:Epidemiologic Methods; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology*; D012042:Registries / Q000592:standards*; D014586:USSR
O soverzhenstvovanii sistemy rassledovaniia, registratsii i ucheta dannykh o professional'noĭ zabolevaemosti.