The causal effect of gut microbiota on hepatic encephalopathy: a mendelian randomization analysis oleh Jia-Lin Wu, Jun-Wei Chen, Ming-Sheng Huang, Xin-Yi Deng, Jia-Jun Deng, Tsz Yu Lau, Shi-Yu Cao, Hui-Ying Ran, Zai-Bo Jiang, Jun-Yang Luo