TY  - JOUR 
T1  - Comparison of weight loss, food consumption and frequency of vomiting among Roux-en-Y gastric bypass patients with or without constriction ring
JO  - ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)
A1  - FARIA, Silvia Leite
A1  - FARIA, Orlando Pereira
A1  - CARDEAL, Mariane de Almeida
SN  - 0102-6720
UL  - 10.1590/S0102-6720201400S100011
VL  - 27 
Y1  - 2014
PB  - Brasil 
ER  -