Endoscopic visualization of bile and pancreatic ducts.
D000368:Aged; D001652:Bile Ducts; D001660:Biliary Tract Diseases / Q000175:diagnosis; D004724:Endoscopy; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008722:Methods; D010182:Pancreatic Diseases / Q000175:diagnosis; D010183:Pancreatic Ducts