Reduction of natural killer cells is associated with poor outcomes in patients with hepatitis B virus-related acute-on-chronic liver failure

Huajie Li, Ning Yang, Xiuying Mu, Lili Tang, Songshan Wang, Chun‐Bao Zhou, Jin‐Hong Yuan, Haiyan Wang, Yingying Yu, Jing Li, Siyuan Chen, Zhiqian Feng, Tao Yang, Kai Liu, Wenjing Cao, Ming‐Ju Zhou, Chao Zhang, Jiyuan Zhang, Yan‐Mei Jiao, Jin‐Wen Song, Xing Fan, Ming Shi, Ruonan Xu, Fu‐Sheng Wang