Degenerative joint disease of the lumbar spine in coal miners--a clinical and x-ray study.
D000328:Adult; D003032:Coal Mining; D004185:Disability Evaluation; D006801:Humans; D007592:Joint Diseases / Q000209:etiology*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging* / Q000293:injuries; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000209:etiology*; D011859:Radiography; D014942:Workers' Compensation