Regular arrangement of collecting venules under endoscopy for predicting a Helicobacter pylori-negative stomach: A systematic review and meta-analysis Lunan Li; Jiyong Jing; Huiqin Gao; Chenjing Zhang; Haifang Lou; Wensheng Pan;

Prevalence and bidirectional association between primary sclerosing cholangitis and Crohn's disease: A systematic review and meta-analysis Dongyuan Zheng; Qinke Xu; Jin Wu; Zhouyue Gu; Jieya Chen; Yingchao Liu;

A meta-analysis of Lactate Ringer's solution versus Normal Saline in the treatment of acute pancreatitis Zhengwang Wang; Keru Shi; Shaojian Mo; Ziang Liu; Jie Yao;