2Pozzi F, Furlani P, Gazzaniga A, et al. The time clock system:a new oral dosage form for fast and complete release of drug after a predeter - mined lag time. J Controlled Release, 1994, 31 ( 1 ):99. 被引量：1
3Gupla VK, Deckert TE. A novel pH - and time - based multiunit potential colonic drug delivery system. 1 Development. Int J Pharm,2002,213 ( 1 -2) :83. 被引量：1
4Khan MZ, Prebeg Z, Kurjakovic N. A pH - dependent colon targeted oral drug delivery system using methacrylic acid copolymers. I Manipulation of drug release using Eudragit L100 - 55 and Eudragit S100 combinations . J Control Rel, 1999,58(2) :215. 被引量：1
5Yang L, Chu JS, Fix JA. Colon - specific drug delivery: new approaches and in vitro/in vivo evaluation. Int J Pharm, 2002,235(1/2) :1. 被引量：1
6Tozaki H, Nishioka J, Komoike J, et al. Enhanced absorption of insulin( Asu( 1,7 ) ) eel - calcitonin using novel azopolymercoated pellets for colon - specific drug delivery. J Pharm Sci,2001,90(1) :89 被引量：1
7Mocanu G, Constantin M, Fundueanu G, Carpov. A Macro molecular prodrugs. Synthesis and hydrolytic behavior of three different drugs bounded on chloroacyl or chlorodesoxy pullulan. STP Phama Sciences, 2000,10 (6): 439. 被引量：1
9Fernandez Hervas MJ, Fell JT. Pectin/chitosan mixtures as coating colon - specific drug delivery: an in vitro evaluation. Int J Pharm,1998,169:115. 被引量：1
10Sinha VR, Kumria R. Polysaccharides in colon - specific drug delivery. Int J Pharm,2001,224(1/2) :19. 被引量：1
