@article{article1a2fde45,
title   = {Skin colour is associated with periodontal disease in Brazilian adults: a population-based oral health survey},
author = {Peres, Marco Aurélio and Antunes, José Leopoldo Ferreira and Boing, Antonio Fernando and Peres, Karen Glazer and Bastos, João Luiz Dornelles},
year = {2007},
doi = {10.1111/j.1600-051x.2006.01043.x},
journal   = {Journal of Clinical Periodontology}
}