1. Groszmann RJ, Garcia-Tsao G, Bosch J, et al. Beta-blockers to prevent gastroesophageal varices in patients with cirrhosis.N Engl J Med, 2005, 353(21): 2254-2261. DOI: 10.1056 /NEJMoa044456.
2. Ripoll C, Groszmann R, Garcia-Tsao G, et al. Hepatic venous pressure gradient predicts clinical decompensation in patients with compensated cirrhosis. Gastroenterology, 2007,133(2):481-488. DOI: 10.1053/j.gastro.2007.05.024.
3. Ibrahim M, Mostafa I, Devière J. New developments in managing variceal bleeding[J]. Gastroenterology, 2018, 154(7):1964-1969. DOI: 10.1053/j.gastro.2018.02.023.