TY  - JOUR 
T1  - Demineralization effect of EDTA, EGTA, CDTA and citric acid on root dentin: a comparative study
JO  - Brazilian Oral Research
A1  - Sousa, Simone Maria Galvão
A1  - Silva, Thelma Lopes
SN  - 1806-8324
UL  - 10.1590/S1806-83242005000300006
VL  - 19 
Y1  - 2005
PB  - Brazil 
ER  -