title: Calcium pyrophosphate dihydrate crystal deposition.
mesh_terms: D002131:Calcium Pyrophosphate / Q000378:metabolism*; D002805:Chondrocalcinosis / Q000209:etiology / Q000276:immunology / Q000378:metabolism*; D011756:Diphosphates / Q000378:metabolism*; D006801:Humans
chemical_list: D011756:Diphosphates; D002131:Calcium Pyrophosphate