2[1]Alvarez D, Golombek D, Patricia L, et al. Diurnal fluctuation of port al and systemic hemodynamic parameters in patients with cirrhosis. Hepatology, 1 994; 19(3):1198～1203
3[2]Siringo S, Bolondi L, Sofia S, et al. Circadian variations of portal p ressure and variceal hemorrhage in patients with cirrhosis. Hepatology, 1994; 19 (3 ): 595～601
4[3]Mann NS, Hillis A, Mann SK,et al. In cirrhotic patients variceal bleed ing is more frequent in the evening and correlates with severity of liver disease.Hepatogastroenterology, 1999;46(25):391～394
5[4]Siringo S, Bolondi L, Sofia S, et al. Circadian occurrence of variceal bleeding in patients with liver cirrhosis. J Gastroenterol Hepatol, 1996;11 (12):1115～1120
6[5]Polio J,Groszmann RJ.Hemodynamic factors involved in the development a nd rupture of esophageal varices: a pathophysiologic approach to treatment. Semi n Liver Dis, 1986;6:318～331
7[6]Garcia-Pagan JC, Bosch J. Pharmacological prevention of variceal bleed ing. New developments. Baillieres Clin Gastroenterol,1997;11(2):271～287
8[7]Sugano S, Yamamoto K, Sasao K, et al. Daily variation of azygos and po rtal blood flow and the effect of propranolol administration once an evening in cirrhotics. J Hepatol,2001;34(1):26～31
9Harvey V. Steinberg M.D.,William W. Beckett,Judith L. Chezmar,William E. Torres,Frederick B. Murphy,Michael E. Bernardino. Incidence of cholelithiasis among patients with cirrhosis and portal hypertension[J] 1988,Gastrointestinal Radiology(1):347～350
