title: [Value of percutaneous transhepatic cholangiography (PTC) in the diagnosis of primary biliary calculi].
mesh_terms: D000328:Adult; D000368:Aged; D002758:Cholangiography / Q000379:methods*; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged