TY - JOUR T1 - Liver histological, portal flow and plasmatic nitric oxide alterations caused by biliary obstruction and drainage in rats JO - Acta Cirúrgica Brasileira A1 - Dias, Miguel Angel A1 - Ceneviva, Reginaldo A1 - Elias Jr., Jorge A1 - Zucoloto, Sergio A1 - Baldo, Caroline Floreoto A1 - Évora, Paulo Roberto Barbosa SN - 0102-8650 UL - 10.1590/S0102-86502008000700002 VL - 23 Y1 - 2008 PB - Brasil ER -