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Hepato-Gastroenterology|February 26, 2000
Trypsin level in gallbladder bile and ductitis and width of the cystic ductJ Vracko, K L WiechelSurgical Endoscopy|January 7, 1998
How often might a trans-cystic-duct stone extraction be feasible?J Vracko, K L WiechelSurgical Laparoscopy, Endoscopy & Percutaneous Techniques|June 29, 2000
The laparoscopic finding of pericholedochitis at cholecystectomy predicts the presence of unsuspected bile duct stonesJ Vracko, K L WiechelSurgical Laparoscopy, Endoscopy & Percutaneous Techniques|January 5, 2002
Why is it necessary to retrieve small bile duct stones at cholecystectomy?J Vracko, K L WiechelEndoscopy|September 27, 2006
Conservative treatment versus endoscopic sphincterotomy in the initial management of acute cholecystitis in elderly patients at high surgical riskJ Vracko, S Markovic, K-L WiechelSurgical Endoscopy|May 1, 1994
Sphincter of Oddi function studied by radioimmunoassay of biliary trypsin in patients with bile duct stones and in controlsJ Vracko, Z Zemva, V Pegan, et al.Scandinavian Journal of Gastroenterology. Supplement|January 1, 1979
Direct selective catheterization of the portal venous systemK L WiechelActa Chirurgica Scandinavica|January 1, 1983
Oesophageal perforation after sclerotherapy for variceal haemorrhageC Söderlund, K L WiechelPageof 3