3Edoardo Giannini, Federica Botta, Alberto Fasoli, et al. Progressive liver functional impairment is associated with an increase in AST/ALT ratio. Dig Dis Sci, 144 (6): 1249- 1253
4Sheth SG, Flamm SL, Gordon FD, et al. AST/ALT ratio predicts cirrhosis in patients with chronic hepatitis C virus infetion. Am J Gastroenterol, 1998, 93:44 48
5KanimotoY, HoriuchiS, TanaseS, et al. Plasma Clearance of intravenously injected aspartate aminotransferase isozymes: evidence for preferential uptake by sinusoidal liver cells. Hepatology, 1985, 5:367 - 375