Mutar ورود محمد, Ahmed منيف صعب, and Ibrahim اياد حميد. “Effect of the Chemical Preservative Propyl 4-Hydroxybenzoate on Liver Tissue in Male Albino Rats”. Samarra Journal of Pure and Applied Science 4, no. 4 (December 30, 2022): 38–47. Accessed March 24, 2023. http://sjpas.com/index.php/sjpas/article/view/389.