6Ikada F, Okamoto R,Baba N,et aLPrevalence and associated factors with esophageal vadces in early primary biliary cirrhosis. J Gastroenterol Hepatol.2012;27(8): 1320-1328.
7Montes Ramirez ML, PascuaI-Pareja JF, Slnchez-Conde M,et al.Transient elastography to rule out esophageal varices and portal hypertensive gastropathy in HIV-infected individuals with liver cirrhosis.AIDS.2012;26(14): 1807-1812.
8Ye XP, Ran HT, Cheng J,et al.LJver and spleen stiffness measured by acoustic radiation force impulse eiastography for noninvasive assessment of liver fibrosis and esophageal varices in patients with chronic hepatitis B. J Ultrasound Med. 2012; 31(8):1245-1253.
9Satin SK,Lamba GS,Kumar M,et al.Comparison of endoscopic ligation and propranolol for the primary prevention of variceal bleeding.N Engl J Med. 1999;340(13):988-993.
10Karedsheh Z,Allison H.Primary Prevention of Variceal Bleeding:Pharmacological Therapy Versus Endoscopic Banding. N Am J Med Sci.2013;5(10): 573-579.
