Watanabe, W Comparison of the acute inflammation induced by calcium pyrophosphate dihydrate, apatite and mixed crystals in the rat air pouch model of a synovial space. [electronic resource] - The Journal of rheumatology Sep 1992 - 1453-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0315-162X Subjects--Topical Terms: AnimalsApatites--adverse effectsCalcium Pyrophosphate--adverse effectsCrystallizationDinoprostone--analysisDisease Models, AnimalEndopeptidases--metabolismLeukocyte CountMaleRatsRats, Sprague-DawleySkin--drug effectsSynovial Fluid--chemistrySynovial Membrane--drug effectsSynovitis--chemically inducedTumor Necrosis Factor-alpha--analysis