Viral selection pressure and CD4+T cell epitope in HLA-DRB1 * 11:01 of HCV infected patients Journal title: Chinese Journal of Blood Transfusion Authors: Ru XU, Jieting HUANG, Min WANG, Qiao LIAO, Zhengang SHAN, Huishan ZHONG, Xia RONG, Yongshui FU Subject(s): Hematology