Development and validation of a prognostic score for TIPS placement in patients with viral hepatitis cirrhosis-related portal hypertension: a multi-center retrospective study oleh Zenglong Que, Zenglong Que, Mingsong Wu, Shujie Lai, Lei Wang, Zhiyong Mu, Jinhui Yang, Wei Xiong, Hong Hu, Aimin Liu, Xuan An, Haodong Yu, Qin Cao, Yanmei Zhang, Wenwen Luo, Jun Wang, Dongfeng Chen, Fuquan Liu, Dazhi Zhang, Liangzhi Wen