[Criteria of detection of worker groups with prolonged and frequent illness at industrial plants].
D000041:Absenteeism; D004185:Disability Evaluation; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology; D009787:Occupational Medicine; D014586:USSR
O kriteriiakh opredeleniia gruppy dlitel'no i chasto boleinushchikh na promyshlennom predpriiatii.