2[2]Sheth SG,Gordon FD,Chopra S.Nonalcoholic steatohepatitis.Ann Intern Med 1997; 126:137-145
3[3]Bugianesi E,Leone N,Vanni E,Marchesini G,Brunello F,Carucci P,Musso A,De Paolis P,Capussotti L,Salizzoni M,Rizzetto M.Expanding the natural history of nonalcoholic steatohepatitis:from cryptogenic cirrhosis to hepatocellular carcinoma.Gastroenterology 2002; 123:134-140
4[4]Marrero JA,Fontana RJ,Su GL,Conjeevaram HS,Emick DM,Lok AS.NAFLD may be a common underlying liver disease in patients with hepatocellular carcinoma in the United States.Hepatology 2002; 36:1349-1354
5[5]Angulo P.Nonalcoholic fatty liver disease.N Engl J Med 2002; 346:1221-1231
6[6]Van Ness MM,Diehl AM.Is liver biopsy useful in the evaluation of patients with chronically elevated liver enzymes? Ann Intern Med 1989; 111:473-478
7[7]Sorbi D,Boynton J,Lindor KD.The ratio of aspartate aminotransferase to alanine aminotransferase:potential value in differentiating nonalcoholic steatohepatitis from alcoholic liver disease.Am J Gastroenterol 1999; 94:1018-1022
8[8]McGill DB,Rakela T,Zinsmeister AR,Ott BJ.A 21-year experience with major hemorrhage after percutaneous liver biopsy.Gastroenterology 1990; 99:1396-1400