5Fercnci P, Lockwood A, Mullen K, et al. Hepatic cncephalopathydefinition, nomenclalure, diagnosis, and quantification: final report of the working party ant the 11^th World Congress of Gastroenterology, Vienna, 1998. Hepatology,2002, 35:716-721.
6Bender AS, Norenberg MIX Effect of benzodiazepin and neurosteroids on ammonia induced swelling in cultured astrocytes. J Neurosei Res, 1998, 54:73-680.
7Groeneweg M, Quero JC, De Bruijn I, et al. Suhclinical hepatic encephalopathy impairs daily functioning. Hepatology, 1998, 28:45-49.
8Prasad S, Dhiman RK, Duseja A, et al. Lactulose improves cognitive functions and health-related quality of life in patients with cir rhosis who have minimal hepatic encephalopathy. Hepatology 2007, 45:549-559.
9Bajaj JS, Saeian K, Verber MD, et al. Inhibitory control test is a simple method to diagnose minimal hepatic encephalopathy. Am J Gastroenterol, 2007, 102: 754-760.
10Ong JP, Aggarwal A, Krieger D, et al. Correlation between arnmonia levels and the severity of hepatic encephalopalhy. Am J Med, 2003, 114:188-193.