title: Peroral cholangiopancreatosocopy (PCPS) under duodenoscopic guidance.
mesh_terms: D001660:Biliary Tract Diseases / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D004724:Endoscopy / Q000379:methods; D006801:Humans; D010182:Pancreatic Diseases / Q000175:diagnosis*