1. Agarwal N, Pitchumoni C (1991) Assessment of severity in acute pancreatitis. Am J Gastroenterology 86:1385–1391
2. Axon A, Classen M, Cotton P et al (1984) Pancreatography in chronic pancreatitis: international definitions. Gut 25:1107–1112
3. Balthazar E (1989) CT diagnosis and staging of acute pancreatitis. Radiol Clin North Am 27:19-3727
4. Balthazar E, Ranson J, Naidich D et al (1985) Acute pancreatitis: prognostic value of CT. Radiology 156:767–772
5. Balthazar E, Robinson D, Megibow A, Ranson J (1990) Acute pancreatitis: value of CT in establishing prognosis. Acute pancreatitis: value of CT in establishing prognosis Radiology 174:331–336