1. 1. Heidelbaugh JJ, Bruderly M. Cirrhosis and chronic liver failure Part 1. Diagnosis and evaluation. Am Fam Physician 2006 Sep;74(5):756-762.
2. 2. Tarzamni MK, Somi MH, Farhang S, Jalilvand M. Portal hemodynamics as predictors of high risk esophageal varices in cirrhotic patients. World J Gastroenterol 2008 Mar;14(12): 1898-1912.
3. 3. de Franchis R. Evolving consensus in portal hypertension. Report of the Baveno IV consensus workshop on methodology of diagnosis and therapy in portal hypertension. J Hepatol 2005 Jul;43(1):167-176.
4. 4. Grace ND, Groszmann RJ, Garcia-Tsao G, Burroughs AK, Pagliaro L, Makuch RW, et al. Portal hypertension and variceal bleeding: an AASLD single topic symposium. Hepatology 1998 Sep;28(3):868-880.
5. 5. Jensen DM. Endoscopic screening for varices in cirrhosis: findings, implications, and outcomes. Gastroenterology 2002 May;122(6):1620-1630.