5Knaus W A, Draper E A, Wanger D P, et al. APACHEⅡ: a severity of disease classification system[J]. Crit Care Med, 1985, 13(10) :818-829.
6Ogawa M, Hirota M, Hayakwrada T, et al. Development and use of a new staging system for sever acute pancreatitis based on a nationwide survey in Japan[J]. Pancreas,2002,25(4) :325-330.
7Isogai M, Yamaguchi A, Hori A, et al. LDH to AST ratio in biliary pancreatitis- a possible indicator of pancreatic necrosis preliminary results[J]. Am J Gastroenterol, 1998,93 (12) : 363- 367.
8Smith M, Warmolts D, Thoney D,et al.Elasmobranch Husbandry Manual:Captive Care of Sharks,Rays, and their Relative. Published by Ohio Biological Surgery, Inc. Colunbus, ohio 43221-0370. 2004.