Postcholecystectomy bile duct dilatation: myth or reality?
Mueller PR, Ferrucci JT, Simeone JF, Wittenberg J, vanSonnenberg E, Polansky A, Isler RJ. Postcholecystectomy bile duct dilatation: myth or reality? AJR Am J Roentgenol. 1981 Feb; 136(2):355-8.