TY  - JOUR 
T1  - Effectiveness of carbamide peroxide and sodium perborate in non-vital discolored teeth
JO  - Journal of Applied Oral Science
A1  - Valera, Marcia Carneiro
A1  - Camargo, Carlos Henrique Ribeiro
A1  - Carvalho, Cláudio Antonio Talge
A1  - Oliveira, Luciane Dias de
A1  - Camargo, Samira Esteves Afonso
A1  - Rodrigues, Cristiana Martins
SN  - 1678-7757
UL  - 10.1590/S1678-77572009000300024
VL  - 17 
Y1  - 2009
PB  - Brasil 
ER  -