Mahmoud, Nourelhoda Medhat, and Ziad Tarek Alshafee. “The Mathematical Model for Drug Delivery Through Skin”. British Journal of Healthcare and Medical Research 5, no. 2 (May 3, 2018): 01. Accessed December 4, 2024. https://journals.scholarpublishing.org/index.php/JBEMi/article/view/4252.