Sangram Keshari Sahoo Preparation and characterization of pH sensitive hydrogels of poly (2-hydroxyethyl methacrylate-Co-N, N-dimethylaminoethyl methacrylate) as drug delivery system - 1 - Mysore JSSCP 2006 Subjects--Topical Terms: Pharmaceutics Dewey Class. No.: 615.4 SAN