Huang, Lihua, Li Zhou, Jianhe Gan, Wenlong Yang, Yaping Dai, Tingting Su, and Yuanwang Qiu. “IL-21 Is Associated With Virological Relapse of HBeAg Positive Chronic Hepatitis B After Discontinuance of Entecavir”. Turkish Journal of Gastroenterology 32, no. 2 (January 2, 2021): 178–186. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/3703.