%0 Journal Article
%T In Vitro and In Vivo Evaluation of pH-Sensitive Hydrogels of Carboxymethyl Chitosan for Intestinal Delivery of Theophylline
%A Hemant Kumar Singh Yadav
%A H. G. Shivakumar
%J ISRN Pharmaceutics
%D 2012
%I Hindawi Publishing Corporation
%R 10.5402/2012/763127
%U http://dx.doi.org/10.5402/2012/763127