@article{article483d7b6e,
title   = {Clinical evaluation of two tooth bleaching techniques},
author = {Nishiyama, Celso Kenji and Brosco, Heli Benedito and Silva e Souza Júnior, Mário Honorato da and Moraes, Ivaldo Gomes de and Berbert, Alceu},
year = {1989},
journal   = {Journal of Dental Research}
}