8Ong S Y, Wu J, Moochhala S M, et al. Development of a chitosan-based wound dressing with improved hemostatic and antimicrobialproperties [J].Biomaterials, 2008, 29: 4323-4332.
9Sun L P, Du Y M, Fan L H, et al. Preparation, characterization and antimicrobial activity of quatemized carboxymethyl chitosan and appfication as pulp-cap [J]. Polymer, 2006, 47: 1796-1804.