title: New knowledge of intervertebral disc disease.
mesh_terms: D000375:Aging; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D002114:Calcinosis; D002131:Calcium Pyrophosphate; D006801:Humans; D007249:Inflammation; D007403:Intervertebral Disc / Q000473:pathology*; D013122:Spinal Diseases / Q000209:etiology / Q000473:pathology*; D013167:Spondylitis, Ankylosing / Q000473:pathology*
chemical_list: D002131:Calcium Pyrophosphate