title: Retrograde cholangiography using double balloon 3 lumen silicon T tube both before and after inflation and its clinical significance--self-control analysis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001649:Bile Duct Diseases / Q000000981:diagnostic imaging*; D002758:Cholangiography / Q000295:instrumentation*; D003287:Contrast Media; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D003287:Contrast Media