@article{articledd3970c6,
title   = {Primary extranodal non-hodgkin lymphoma of the extrahepatic bile duct mimmicking klatskin tumor},
author = {Andre, S B and Farias, A Q and Bittencourt, P L and Guarita, D R and Machado, Marcel Cerqueira César and Viana, R and Laudanna, Antônio Atílio},
year = {1996},
journal   = {Revista do Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo}
}