L. XIAOLIANG, Y. YONGSHENG, T. ZHENGHAO, and Z. GUOQING, “siRNA-mediated knockdown of FoxP3 promotes the ratio of T-helper 1 (Th1) to Th2 in chronic hepatitis B patients”, Turkish Journal of Gastroenterology, vol. 22, no. 6, pp. 587–593, Jan. 2011.