CD4+/CD8+ T‐cell ratio correlates with the graft fate in pig‐to‐non‐human primate islet xenotransplantation. - Chung, Hyunwoo; Kim, Hyun‐Je; Kim, Jung‐Sik; Yoon, Il‐Hee; Min, Byoung‐Hoon; Shin, Jun‐Seop; Kim, Jong‐Min; Lee, Won‐Woo; Park, Chung‐Gyu (Xenotransplantation, 2020)