Cherim, Melat, and Rodica Sîrbu. “Obtaining of Collagen Extracts Used As Biomaterials With Applications in the Medical Field”. European Journal of Natural Sciences and Medicine 3, no. 2 (October 15, 2020): 54–60. Accessed April 25, 2024. https://revistia.org/index.php/ejnm/article/view/5103.