@misc{misc4433a8bd,
title   = {Enamel microhardness after H2O2 35% bleaching with and without calcium},
author = {Miranda, G. L. P and Lago, A. N and Oliveira, F. S and Freitas, Patrícia Moreira de and Garone Netto, Narciso},
year = {2012},
journal   = {Journal of Dental Research}
}