The current incidence, prevalence, and residual risk of hepatitis B viral infections among voluntary blood donors in China oleh Ling Li, Tingting Han, Liang Zang, Libin Niu, Weifang Cheng, Hongkeng Lin, Ka Yi Li, Ruan Cao, Binghai Zhao, Yuqiang Liu, Guojin Ou, Xiao Liu, Yingjie Qi, Yanhua Li, Zhong Liu