1. Gitlin N: Hepatic encephalopathy. In Hepatology: A Textbook of Liver Disease, edn 3, vol 1. Edited by Zakim D, Boyer TD. Philadelphia: WB Saunders; 1996:605–617.
2. Ferenci P, Lockwood A, Mullen K, et al.: Hepatic encephalopathy —definition, nomenclature, diagnosis, and quantification: final report of the working party at the 11th World Congresses of Gastroenterology, Vienna, 1998. Hepatology 2002, 35:716–721.
3. Blei A, Cordoba J, Practice Parameters Committee of the American College of Gastroenterology: Hepatic encephalopathy. Am J Gastroenterol 2001, 96:1968–1976.
4. Mendler M, Donovan J, Blei A: Central nervous system and pulmonary complications of end-stage liver diseases. In Textbook of Gastroenterology, edn 4, vol 2. Edited by Yamada J, Alpers D, Kaplowitz N, et al. Philadelphia: Lippincott Williams & Wilkins; 2003:2445–2467.
5. Amodio P, Montagnese S, Gatta A, et al.: Characteristics of minimal hepatic encephalopathy. Metab Brain Dis 2004, 19:253–265.