MOKREJS, PAVEL, SVATOPLUK SUKOP, FERDINAND LANGMAIER, KAREL KOLOMAZNIK, and MILAN MLADEK. “Properties of Collagen Hydrolyzates Obtained from Leather Shavings”. Asian Journal of Chemistry 19, no. 2 (March 30, 2010): 1207–1216. Accessed July 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/20212.