@article{article47881d6e,
title   = {Changes in histological criteria lead to different prevalences of nonalcoholic steatohepatitis in severe obesity},
author = {Oliveira, Cacilda Pedrosa de and Mello, Evandro Sobroza de and Alves, Venâncio A. F. and Saviero, Samir Mahmud and Strauss, Edna},
year = {2007},
journal   = {Annals of Hepatology}
}