Fang Chen, Yuzhi Shi, Shurong Ran, Xueqin Liu, and Jian Xu. “Predicting 90-Day Mortality at Admission and 7 Days Post-Admission Among Patients With Hepatitis B Virus-Related Acute-on-Chronic Liver Failure”. Journal of the Pakistan Medical Association, vol. 71, no. 1, Oct. 2020, pp. 1-5, doi:10.47391/JPMA.529.