Development and Characterization of Sodium Alginate-Hydroxypropyl Methylcellulose-Polyester Multilayered Hydrogel Membranes for Drug Delivery through Skin. - Kulkarni, Raghavendra V.; Wagh, Yogesh J.; Setty, C. Mallikarjun; Sa, Biswanath (Polymer-Plastics Technology & Engineering, 2011)