title: Preliminary observations of calcified material in villous synovitis.
mesh_terms: D002114:Calcinosis / Q000473:pathology*; D011756:Diphosphates; D006801:Humans; D010003:Osteoarthritis / Q000473:pathology*; D013582:Synovial Fluid; D013585:Synovitis / Q000473:pathology*
chemical_list: D011756:Diphosphates