Ayhan, Fatma, Sabiha Demirci, and Hakan Ayhan. “Poly (Ethylene Glycol) / Gelatin Composite Hydrogels for Drug Delivery ”. Journal of Composites and Biodegradable Polymers 2, no. 1 (February 5, 2014): 36–45. Accessed May 10, 2025. http://www.savvysciencepublishers.com/index.php/jcbp/article/view/270.