Endoscopy Unit;
Gastroenterology Department;
Complejo Hospitalario de Navarra;
Pamplona 31008;
Spain;
Associate Professor of Surgery;
University of Sao Paulo;
Sao Paulo 04304-030;
Brazil;
Acute; necrotizing; Anti-inflammatory; Agents; Catheterization; Cholangiopancreatography; Complications; Endoscopic; retrograde; Non-steroidal; Pancreatitis; Stents;