title: IMPERMANENT CALCIFICATION IN A LUMBAR NUCLEUS PULPOSUS IN AN ADULT.
mesh_terms: D000328:Adult; D001416:Back Pain; D002114:Calcinosis; D006801:Humans; D007403:Intervertebral Disc; D008159:Lumbar Vertebrae; D008161:Lumbosacral Region; D011859:Radiography
keywords: BACKACHE; CALCINOSIS; INTERVERTEBRAL DISK; LUMBAR VERTEBRAE; RADIOGRAPHY