Low back pain in industry: epidemiological aspects.
D000041:Absenteeism; D001416:Back Pain / Q000453:epidemiology* / Q000209:etiology; D004185:Disability Evaluation; D006801:Humans; D007348:Insurance, Health; D009784:Occupational Diseases / Q000453:epidemiology* / Q000209:etiology; D013548:Sweden