Rakesh Kumar Sharma, Navneet Sharma, Sudha Rana, and Hosakote G. Shivkumar. “Solid Lipid Nanoparticles As a Carrier of Metformin for Transdermal Delivery”. International Journal of Drug Delivery, vol. 5, no. 2, June 2013, pp. 137-45, https://ijdd.arjournals.org/index.php/ijdd/article/view/191.