@article{valera_camargo_carvalho_oliveira_camargo_rodrigues_2009, title={Effectiveness of carbamide peroxide and sodium perborate in non-vital discolored teeth}, volume={17}, ISSN={1678-7757}, url={https://doi.org/10.1590/S1678-77572009000300024}, DOI={10.1590/S1678-77572009000300024}, number={3}, journal={Journal of Applied Oral Science}, publisher={Faculdade De Odontologia De Bauru - USP}, author={Valera, Marcia Carneiro and Camargo, Carlos Henrique Ribeiro and Carvalho, Cláudio Antonio Talge and Oliveira, Luciane Dias de and Camargo, Samira Esteves Afonso and Rodrigues, Cristiana Martins}, year={2009}, month={May}, pages={254–261} }