1. Fatal necrotizing pancreatitis after cholangiopancreatography;Ammann;Gastroenterology,1973
2. Course and outcome of chronic pancreatitis. Longitudinal study of a mixed medical-surgical series of 245 patients;Ammann;Gastroenterology,1984
3. The spectrum of biliary tract obstruction from chronic pancreatitis;Aranha;Archives of Surgery,1984
4. Lundh test and ERCP in pancreatic disease;Ashton;Gut,1978
5. Minimal change pancreatitis;Axon,1981