“Gelatin Grafted Methyl Nadic Anhydride and Substitution With Salbutamol”. Baghdad Science Journal 13, no. 2.2NCC (June 5, 2016): 0163. Accessed June 18, 2025. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2762.