TY  - JOUR 
T1  - Evaluation of gastric histology in children and adolescents with Helicobacter pylori gastritis using the Update Sydney System
JO  - Arquivos de Gastroenterologia
A1  - Langner, Marini
A1  - Machado, Rodrigo S.
A1  - Patrício, Francy R. S.
A1  - Kawakami, Elisabete
SN  - 0004-2803
UL  - 10.1590/S0004-28032009000400015
VL  - 46 
Y1  - 2009
PB  - Brasil 
ER  -