5Rubinstein A,Radai R,Ezra M,et al.In vitro evaluation of calcium pectinate:a potential colon-specific drug delivery carrier[J].Pharm Res,1993,10(2):258-263.
6Krishnaiah Y S R,Veer Raju P,Dinesh Kumar B,et al.Development of colon-targeted drug delivery systems for mebendazole[J].J Controlled Release,2001,15(9):77-87.
7Fukui E,Miyanmura N,Kobayashi M,et al.An in vitro investigation of the suitability of press-coated tablets with hydroxypropyimethylcellulose acetate succinate(HPMCAS)and hydrophobic additives in the outer shell for colon targeting[J].J Controlled Release,2001,8(7):70-97.
