Duodenal intubation in diagnosis.
D001659:Biliary Tract; D001660:Biliary Tract Diseases; D004194:Disease; D004386:Duodenum; D006801:Humans; D007440:Intubation; D010179:Pancreas; D010182:Pancreatic Diseases
BILIARY TRACT/diseases; DUODENUM; PANCREAS/diseases