Rao, Y. M. (2012) “Development of Promethazine Hydrochloride Mucoadhesive Patches for Buccal Delivery: In vitro, Ex vivo and In vivo Characterization”, International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), 5(2), pp. 1697–1705. doi: 10.37285/ijpsn.2012.5.2.5.