Gastrointestinal Infection and Liver Injury Are the Risk Factors for Coronavirus Disease 2019 Inpatients With Assisted VentilationLei, Ming; Qiu, Yue; Liu, Riguang; Huang, Jun; Huang, Xiaomei; Fan, Lixin; Hu, KaiYuan; Lin, Liu; Lei, Chunliang; He, Feng*; Qin, Shuguang*Science Citation Index Expanded广州医学院; 1摘要-关键词-