“A Review on Proniosomal Gel: Potential Carrier System in Transdermal Delivery for Non- Steroidal Anti-Inflammatory Drugs (NSAID)”. International Journal of Pharmacy and Life Sciences, vol. 5, no. 10, Oct. 2014, pp. 3939-47, https://ijplsjournal.com/index.php/ijpls/article/view/507.