title: Inorganic pyrophosphate concentrations in the synovial fluid of arthritic patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000469:Alkaline Phosphatase / Q000378:metabolism; D001168:Arthritis / Q000378:metabolism*; D002114:Calcinosis / Q000378:metabolism*; D002118:Calcium / Q000032:analysis; D002852:Chromatography, Ion Exchange; D003460:Crystallization; D011756:Diphosphates / Q000032:analysis*; D004586:Electrophoresis; D005260:Female; D006801:Humans; D006868:Hydrolysis; D007474:Ion Exchange; D007592:Joint Diseases / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D010710:Phosphates / Q000032:analysis; D010759:Phosphorus Isotopes; D011865:Radioisotope Dilution Technique; D012995:Solubility; D013582:Synovial Fluid / Q000032:analysis*
chemical_list: D011756:Diphosphates; D010710:Phosphates; D010759:Phosphorus Isotopes; D000469:Alkaline Phosphatase; D002118:Calcium