@misc{misc00bbce76,
title   = {Color stability of different restorative materials after flouride treatment and coffee immersion},
author = {Guerra, C. F. and Braida, C. and Rodrigues Filho, Leonardo Eloy and Rodrigues, Célia Regina Martins Delgado},
year = {2002},
booktitle   = {International Association for Dental Research. Annual Meeting. Brazilian Division}
}