@article{article22afffbf,
title   = {Dental enamel : qualitative evaluation of the surface after application of aluminum oxide (microetching) using the scanning electron microscape},
author = {Silva, Paulo César Gomes and Gonçalves, Mariane and Nonaka, Tomio and Vinha, Dionísio},
year = {2000},
doi = {10.1590/s1517-74912000000400005},
journal   = {Pesquisa Odontológica Brasileira}
}