| Citation: | ZHONG Zhi-rong, YUAN Xiao-jia, ZHANG Zhi-rong, SONG Qing-guo, HE Qin. Optimizing the Preparation of Thymopentin Loaded Oral N-trimethyl Chitosan Nanoparticles by Central Composite DesignJ. Chinese Journal of Modern Applied Pharmacy, 2007, (2): 104-107. |