Unit of Gastroenterology and Digestive Endoscopy;
General Hospital of Sanremo;
18038 Sanremo;
Italy;
Unit of Gastroenterology;
Department of Medical and Surgical Sciences;
S.Orsola-Malpighi Hospital;
University of Bologna;
40138 Bologna;
Italy;
Division of Gastroenterology and Hepatology;
University of North Carolina;
Chapel Hill;
NC 27599;
United States;
Unit of Digestive Endoscopy;
San Paolo Hospital;
20142 Milano;
Italy;
Endoscopy Unit;
University Hospital“G.Martino”;
98125 Messina;
Italy;
Department of Surgery;
Unit of Hepatobiliopancreatic and Digestive Surgery;
San Paolo Hospital;
University of Milan;
20142 Milano;
Italy;
Biliary; stent; Pancreatic; stent; Endoscopicretrograde; cholangiopancreatography; Self-expandable; metal; stent; Endoscopic; ultrasonography;