Veerabrahma, Kishan, et al. “Cationic Diclofenac Lipid Nanoemulsion for Improved Oral Bioavailability: Preparation, Characterization and In Vivo Evaluation ”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 8, no. 2, May 2015, pp. 2874-80, doi:10.37285/ijpsn.2015.8.2.10.