Retrograde cannulation of the ampulla of Vater. A preliminary report.
D014670:Ampulla of Vater; D000681:Amylases / Q000097:blood; D001660:Biliary Tract Diseases / Q000175:diagnosis*; D002404:Catheterization; D002758:Cholangiography; D003287:Contrast Media; D004724:Endoscopy; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010182:Pancreatic Diseases / Q000175:diagnosis*; D010183:Pancreatic Ducts; D010190:Pancreatic Neoplasms / Q000175:diagnosis*
D003287:Contrast Media; D000681:Amylases