Aktas, H.

enteroscopy patient bowel endoscopic therapy double-balloon enteroscopy balloon enteroscopy dilation complication balloon complication rate double-balloon polyps intervention endoscopy procedure treatment disease strictures roux-en-y anastomosis polypectomy study crohn roux-en-y endosc argon plasma coagulation endoscopic dilation therapy gastrointest technique balloon-assisted enteroscopy endoscopic interventions anastomosis argon balloon-assisted enteroscopic polyp placement resection overtube enteral stent placement introduction gastroenterol enteroscope yamamoto h bellutti m dilation therapy bowel polyps fry lc plasma malfertheiner p endoscope polypectomie syndrome diameter pancreatico-biliary coagulation peutz-jegher stricture stent impact yamamoto energy levels apc treatment zhang c liver transplantation small-bowel endoscopic resection neumann h dbe procedures outcome liver case series adenomas series adenomatous polyposis peutz-jeghers syndrome karger ag experience pancreatico-biliary system method