1Ammann R, Akovbiantz A, Largiader F, et al. Course and outcome of chronic pancreatitis. Longitudinal study of a mixed medical-surgical series of 245 patients[J]. Gastroenterology,1984,86(5 Pt 1):820-824.
2Moorthy TH, Nalini N, Narendrenathn M. Ultrasound imaging in tropical pancreatitis[J]. J Clin Ultrasound,1992,20(6):386-393.
3Ishii J, Nakamura K, Takeuchi T, et al. Chronic calcifying pancreatitis and pancreatic carcinoma in Japan[J]. Digestion,1973,9(5):429-434.
4Sugiyama M, Wada N, Atomi Y, et al. Diagnosis of acute pancreatitis: value of endoscopic sonography[J]. AJR,1995,165(4):867-872.
