Srivaths M SM, Kumar D. Collagen/Gelatin/Chitosan hybrid hydrogel impregnated with Copper Sulphate pentahydrate for slow drug release. J Neonatal Surg [Internet]. 2024 Dec. 7 [cited 2026 Jul. 21];13(1):2533-6. Available from: https://jneonatalsurg.com/index.php/jns/article/view/10460