[New diagnostic methods and treatment of calculi of the bile duct].
D002404:Catheterization; D002758:Cholangiography; D002769:Cholelithiasis / Q000175:diagnosis* / Q000601:surgery*; D004724:Endoscopy; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged