TY  - JOUR 
T1  - Surface hardness evaluation of different composite resin materials: influence of sports and energy drinks immersion after a short-term period
JO  - Journal of Applied Oral Science
A1  - Erdemir, Ugur
A1  - Yildiz, Esra
A1  - Eren, Meltem Mert
A1  - Ozel, Sevda
SN  - 1678-7757
UL  - 10.1590/1678-7757201302185
VL  - 21 
Y1  - 2013
PB  - Brasil 
ER  -