Liu, Xue-yu [The effect of carboxymethyl chitosan zinc and peptide on IL-1,TNF-α and PGE-2 in gingival crevicular fluid of miniature pigs]. [electronic resource] - Shanghai kou qiang yi xue = Shanghai journal of stomatology Apr 2016 - 172-6 p. digital Publication Type: Journal Article ISSN: 1006-7248 Subjects--Topical Terms: AnimalsChitosan--analogs & derivativesDental CalculusGingival Crevicular Fluid--metabolismInterleukin-1--metabolismPeriodontal DiseasesPeriodontal IndexPeriodontiumProstaglandins E--metabolismSwineSwine, MiniatureTumor Necrosis Factor-alpha--metabolismZinc