title: [Real-time ultrasonography and roentgenography in the diagnosis of extrahepatic biliary obstruction].
authors.forename: X D
authors.initials: XD
authors.lastname: Lu
mesh_terms: D000328:Adult; D000368:Aged; D002758:Cholangiography / Q000379:methods; D001651:Cholestasis, Extrahepatic / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography