title: Two middle-aged men with abnormalities of the lumbar spine that simulated infection.
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007403:Intervertebral Disc; D008297:Male; D008875:Middle Aged; D013122:Spinal Diseases / Q000175:diagnosis*