6OnishiH,MachidaY.Biodegradation and distribution of water soluble chitosan in mice.Biomaterials,1999,20(2):175-182.
7Shimoda J,Onishi H,Machida Y.Bioadhesive characteristics of chitosan microspheres to the mucosa of rat small intestine.Drug Dev Ind Pharm,2001,27 (6):567-576.
8Takishima J,Onishi H,Machida Y.Prolonged Intestinal Absorption of Cephradine with Chitosan-Coated Ethylcellulose Microparticles in Rats.Biol Pharm Bull,2002,25(11):1498-1502.
9Chen A S,Taguchi T,Okamoto H.Pharmacokinetics of Chito-biose and Chitotriose Administered Intravenously or Orally to Rats.BiolPharmBull,2005,28(3):545-548.
