1. Endoscopy of the esophagus;Bennet,1992
2. Endoscopic insertion of Celestin tubes in carcinoma of the esophagus;Beynon;Gut,1991
3. Prospective controlled trial of transhepatic biliary endoprosthesis versus bypass surgery for incurable carcinoma of head and pancreas;Bornman;Lancet,1986
4. Palliation of malignant dysphagia: Surgery, radiotherapy, laser, intubation alone or in combination?;Bown;Gut,1991
5. Nonoperative versus operative treatment of obstructive jaundice in pancreatic cancer: Cost and survival analysis;Brandabur;Am J Gastroenterol,1988