@article{article88ec06cb,
title   = {Successful endoscopic ultrasound-guided overstenting biliary drainage through a pre-existing proximal migrated metal biliary stent},
author = {Artifon, E. L. A. and Takada, J. and Okawa, L. and Ferreira, F. and Santos, M. and Moura, E. G. H. and Otoch, J. P. and Sakai, P.},
year = {2011},
journal   = {Revista de gastroenterologia de México}
}