The lumbar intervertebral disk problem.
D001416:Back Pain / Q000209:etiology*; D006801:Humans; D007403:Intervertebral Disc; D007405:Intervertebral Disc Displacement; D008159:Lumbar Vertebrae; D008161:Lumbosacral Region
BACKACHE/etiology and pathogenesis; INTERVERTEBRAL DISK DISPLACEMENT