Low back pain.
D000328:Adult; D019567:Back Injuries; D001416:Back Pain / Q000209:etiology*; D002908:Chronic Disease; D006801:Humans; D008161:Lumbosacral Region; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D010003:Osteoarthritis / Q000150:complications