Relationship between indoleamine 2, 3-dioxygenase and peripheral blood CD4 + in patients with ulcerative colitis
Zhang Xiumin, Zhao Changdong, Li Xue, Lu Xuefeng, Liu Weizhong, Wang Shufang
Clinical Focus . 2021, (8): 696 -698 .  DOI: 10.3969/j.issn.1004-583X.2021.08.004