Changes in histological criteria lead to different prevalences of nonalcoholic steatohepatitis in severe obesity.Cacilda Pedrosa de Oliveira, Evandro Sobroza de Mello, Venâncio A. F. Alves, Samir Mahmud Saviero, E. B. StraussAnnals of hepatology2007The worldwide obesity epidemic contributes to the increasing incidence of a number of diseases, as nonalcoholic fatty-liver disease (NAFLD) and its most severe form, the nonalcoholic steatohepatitis… (More)