5Andersson B, Olin H, Eckerwall G, et al. Severe acute pancreatitis- outcome following a primarily non-surgical regimen[J].Pancreatology, 2006, 6 (6) : 536-541.
6Bumbasirevic V, Radenkovic D, Jankovie Z, et al. Severe acute pancreatitis overall and early versus late mortality in intensive care unit[J].Pancreas, 2009, 38 (2) : 122-125.
7Bai Y, Liu Y, Jia L, et al. Severe acute pancreatitis in China: etiology and mortality in 1976 patients[J]. Pancreas, 2007, 35 ( 3 ) : 232- 237.
8Lankisch P G, Karimi M, Bruns A, et al. Temporal trends in incidence and severity of acute pancreatitis in L u neburg County, Germany: a population-based study[J]. Pancreatology, 2009, 9 ( 4 ) : 420-426.
9Kim J E, Hwang J H, Lee S H, et al. The clinical outcome of elderly patients with acute pancreatitis is not different in spite of the different etiologies and severity[J].Arch Gerontol Geriatr, 2012 , 54 ( 1 ) : 256-260.
10Lowenfels A B, Maisonneuve P, Sullivan T. The changing character of acute pancreatitis : epidemiology, etiology, and prognosis[J].Curr Gastroenterol Rep, 2009, 11 ( 2 ) : 97-103.
