TY  - JOUR 
T1  - Endoscopic and ultrasonographic evaluation before and after Roux-en-Y gastric bypass for morbid obesity
JO  - Arquivos de Gastroenterologia
A1  - Teivelis, Marcelo Passos
A1  - Faintuch, Joel
A1  - Ishida, Robson
A1  - Sakai, Paulo
A1  - Bresser, Adriano
A1  - Gama-Rodrigues, Joaquim
SN  - 0004-2803
UL  - 10.1590/S0004-28032007000100003
VL  - 44 
Y1  - 2007
PB  - Brasil 
ER  -