5Mortele KJ, Wiesner W, Intriere L, Shankar S, Zou KH, Kalantari BN, Perez A, Sonnenberg EV, Ros PR, Banks PA, Silverman SG. A modified severity index for evaluating acute pancreatitis: improved correlation with patients' outcome. AJR. 2004,183(5) : 1261-1265.
6Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC. Prognostic .signs and role of operative management in acute pancreatitis. Surg Gynecol Obstet. 1974,139(1): 69-81
7Ranson JH. The timing of biliary surgery in acute pancreatitis. Ann Surg. 1979; 189(5): 654-663.
8Knaus WA, Draper EA, Wagner DP, Zimmerman JE. APACHE Ⅱ: a severity of disease classification system. Crit Care Med. 1985; 13(10): 818-829.
9Balthazar EJ, Freeny PC, van Sonnenberg E. Imaging and intervention in acute pancreatitis. Radiology. 1994; 193(2) : 297-306.
10Harrison DA, D'Amico G, Singer M. The Pancreatitis Outcome Prediction (POP) Score: a new prognostic index for patients with severe acute pancreatitis. Crit CareMed. 2007; 35(7): 1703-1708.
