5Yeo C J, Bastidas J A, Lynch-Nyhan A.et al. The natural history of pancreatic pseudocYsts documented by computed tomography[J]. Surg Gynecol Obstet, 1990, 170(5): 411-417.
6Cheruvu C V, Clarke M G, Prentice Met al. Conservative treatment as an option in the management of pancreatic pseudocyst[J]. Ann R Coll Surg Engl, 2003, 85(5): 313-316.
7Bergman S, Melvin W S. Operative and nonoperative management of pancreatic pseudocysts[J]. Surg Clin North Am, 2007, 87(6): 1447-1460.
5Andrén-Sandberg A,Dervenis C.Pancreatic pseudocysts in the 21st century.Part Ⅰ:classification,pathophysiology,anatomic considerations and treatment[J].JOP,2004;5(1):8-24.
7Vetter S,Weickert U,Jakobs R,et al.Endoscopic drainage of symptomatic pancreatic pseudocysts.An efficient and safe therapy in the clinical routine?[J].Dtsch Med Wochenschr,2003;128(45):2355-2359.