Alenzi, Faris Q, Mohammed W Al-Rabia, Badi Q Alenazi, Abdulla M Mubaraki, Mahmoud Lotfy, Mohamed Labib Salem, Haris M Siddiqui, et al. “ROLE OF CTLA-4 IN XENOTRANPLANTATION”. Pakistan Journal of Physiology 5, no. 2 (December 31, 2009): 40–45. Accessed April 14, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/734.