Singh, V., R. D. Gupta, and U. V. S. Teotia. “Investigation of Novel Penetration Enhancer Lawsonia Inermis for Drug Delivery through Nail Plate ”. Journal of Applied Pharmaceutical Research, vol. 2, no. 1, Feb. 2014, pp. 34-38, https://japtronline.com/index.php/joapr/article/view/16.