Malek, Zeina, and Louai Alaan. “Investigation of Syrian Cactus Leaf Extricates Gel and Shell / Shell Collagen”. Latakia University Journal -Medical Sciences Series 45, no. 1 (March 22, 2023): 73–81. Accessed July 29, 2025. https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/14314.