| 1. | ?Andersson B, Appelgren B, Sj?din V, et al. Acute pancreatitis-costs for healthcare and loss of production. Scand J Gastroenterol, 2013, 48(12):1459-1465. | 
				                                                        
				                                                            
				                                                                | 2. | Peery AF, Dellon ES, Lund J, et al. Burden of gastrointestinal disease in the United States:2012 update. Gastroenterology, 2012, 143(5):1179-1187. | 
				                                                        
				                                                            
				                                                                | 3. | Banks PA, Bollen TL, Dervenis C, et al. Classification of acute pancreatitis-2012:revision of the Atlanta classification and definitions by international consensus. Gut, 2013, 62(1):102-111. | 
				                                                        
				                                                            
				                                                                | 4. | Acevedo-Piedra NG, Moya-Hoyo N, Rey-Riveiro M, et al. Validation of the determinant-based classification and revision of the atlanta classification systems for acute pancreatitis. Clin Gastroenterol Hepatol, 2014, 12(2):311-316. | 
				                                                        
				                                                            
				                                                                | 5. | Nawaz H, Mounzer R, Yadav D, et al. Revised Atlanta and determinant-based classification:application in a prospective cohort of acute pancreatitis patients. Am J Gastroenterol, 2013, 108(12):1911-1917. | 
				                                                        
				                                                            
				                                                                | 6. | Petrov MS, Shanbhag S, Chakraborty M, et al. Organ failure and infection of pancreatic necrosis as determinants of mortality in patients with acute pancreatitis. Gastroenterology, 2010, 139(3):813-820. | 
				                                                        
				                                                            
				                                                                | 7. | van Santvoort HC, Bakker OJ, Bollen TL, et al. A conservative and minimally invasive approach to necrotizing pancreatitis improves outcome. Gastroenterology, 2011, 141(4):1254-1263. | 
				                                                        
				                                                            
				                                                                | 8. | Beger HG, Bittner R, Block S, et al. Bacterial contamination of pancreatic necrosis. A prospective clinical study. Gastroenterology, 1986, 91(2):433-438. | 
				                                                        
				                                                            
				                                                                | 9. | De Waele JJ, Vogelaers D, Hoste E, et al. Emergence of antibiotic resistance in infected pancreatic necrosis. Arch Surg, 2004, 139(12):1371-1375. | 
				                                                        
				                                                            
				                                                                | 10. | Gloor B, Muller CA, Worni M, et al. Pancreatic infection in severe pancreatitis:the role of fungus and multiresistant organisms. Arch Surg, 2001, 136(5):592-596. | 
				                                                        
				                                                            
				                                                                | 11. | Schmid SW, Uhl W, Friess H, et al. The role of infection in acute pancreatitis. Gut, 1999, 45(2):311-316. | 
				                                                        
				                                                            
				                                                                | 12. | Fritz S, Hackert T, Hartwig W, et al. Bacterial translocation and infected pancreatic necrosis in acute necrotizing pancreatitis derives from small bowel rather than from colon. Am J Surg, 2010, 200(1):111-117. | 
				                                                        
				                                                            
				                                                                | 13. | Besselink MG, van Santvoort HC, Boermeester MA, et al. Timing and impact of infections in acute pancreatitis. Br J Surg, 2009, 96(3):267-273. | 
				                                                        
				                                                            
				                                                                | 14. | Behrman SW, Bahr MH, Dickson PV, et al. The microbiology of secondary and postoperative pancreatic infections:implications for antimicrobial management. Arch Surg, 2011, 146(5):613-619. | 
				                                                        
				                                                            
				                                                                | 15. | Noor MT, Radhakrishna Y, Kochhar R, et al. Bacteriology of infection in severe acute pancreatitis. JOP, 2011, 12(1):19-25. | 
				                                                        
				                                                            
				                                                                | 16. | Bai Y, Gao J, Zou DW, et al. Prophylactic antibiotics cannot reduce infected pancreatic necrosis and mortality in acute necrotizing pancreatitis:evidence from a meta-analysis of randomized controlled trials. Am J Gastroenterol, 2008, 103(1):104-110. | 
				                                                        
				                                                            
				                                                                | 17. | Xu T, Cai Q. Prophylactic antibiotic treatment in acute necrotizing pancreatitis:results from a meta-analysis. Scand J Gastroenterol, 2008, 43(10):1249-1258. | 
				                                                        
				                                                            
				                                                                | 18. | Jafri NS, Mahid SS, Idstein SR, et al. Antibiotic prophylaxis is not protective in severe acute pancreatitis:a systematic review and metaanalysis. Am J Surg, 2009, 197(6):806-813. | 
				                                                        
				                                                            
				                                                                | 19. | Working Group IAP/APA Acute Pancreatitis Guidelines. IAP/APA evidence-based guidelines for the management of acute pancreatitis. Pancreatology, 2013, 13(4 Suppl 2):1-15. | 
				                                                        
				                                                            
				                                                                | 20. | Wu BU, Hwang JQ, Gardner TH, et al. Lactated Ringer's solution reduces systemic inflammation compared with saline in patients with acute pancreatitis. Clin Gastroenterol Hepatol, 2011, 9(8):710-717. | 
				                                                        
				                                                            
				                                                                | 21. | Du XJ, Hu WM, Xia Q, et al. Hydroxyethyl starch resuscitation reduces the risk of intra-abdominal hypertension in severe acute pancreatitis. Pancreas, 2011, 40(8):1220-1225. | 
				                                                        
				                                                            
				                                                                | 22. | Mirtallo JM, Forbes A, McClave SA, et al. International consensus guidelines for nutrition therapy in pancreatitis. JPEN J Parenter Enteral Nutr, 2012, 36(3):284-291. | 
				                                                        
				                                                            
				                                                                | 23. | Kumar A, Singh N, Prakash S, et al. Early enteral nutrition in severe acute pancreatitis:a prospective randomized controlled trial comparing nasojejunal and nasogastric routes. J Clin Gastroenterol, 2006, 40(5):431-434. | 
				                                                        
				                                                            
				                                                                | 24. | Petrov MS, Loveday BP, Pylypchuk RD, et al. Systematic review and meta-analysis of enteral nutrition formulations in acute pancreatitis. Br J Surg, 2009, 96(11):1243-1252. | 
				                                                        
				                                                            
				                                                                | 25. | Guo Q, Li A, Xia Q, et al. The role of organ failure and infection in necrotizing pancreatitis:a prospective study. Ann Surg, 2014, 259(6):1201-1207. |