Mbah, C. J., and C. O. Nnadi. “The In Vitro Permeability Study of Valsartan through Excised Rat Skin”. Journal of Biological Research and Biotechnology 8, no. 1 (April 5, 2025): 598– 601. Accessed May 3, 2025. https://www.bio-research.com.ng/index.php/home/article/view/312.