TY - JOUR T1 - H. PYLORI INFECTION, ENDOSCOPIC, HISTOLOGICAL ASPECTS AND CELL PROLIFERATION IN THE GASTRIC MUCOSA OF PATIENTS SUBMITTED TO ROUX-EN-Y GASTRIC BYPASS WITH CONTENTION RING: a cross sectional endoscopic and immunohistochemical study JO - Arquivos de Gastroenterologia A1 - NOGUEIRA, Thiago De Bortoli A1 - ARTIGIANI NETO, Ricardo A1 - HERANI FILHO, Benedito A1 - WAISBERG, Jaques SN - 0004-2803 UL - 10.1590/S0004-28032016000100011 VL - 53 Y1 - 2016 PB - Brasil ER -