TY  - JOUR 
T1  - The use of nonsteroidal anti-inflammatory drugs and the occurrence of gastric lesions among patients undergoing upper endoscopy in a university hospital in Brazil
JO  - Clinics
A1  - Ribeiro, Andreia Queiroz
A1  - Sevalho, Gil
A1  - César, Cibele Comini
SN  - 1807-5932
UL  - 10.1590/S1807-59322006000500007
VL  - 61 
Y1  - 2006
PB  - Brasil 
ER  -