Dhawan, B., G. Aggarwal, and S. Harikumar. “Enhanced Transdermal Permeability of Piroxicam Through Novel Nanoemulgel Formulation”. International Journal of Pharmaceutical Investigation, Vol. 4, no. 2, May 2014, pp. 65-76, https://www.jpionline.org/index.php/ijpi/article/view/60.