@article{article6480ab04,
title   = {Influence of ultrasonic setting on microhardness of glass-ionomer cements},
author = {Carvalho, C. A. and Fagundes, Ticiane Cestari and Barata, Terezinha de Jesus Esteves and Navarro, Maria Fidela de Lima},
year = {2008},
journal   = {Journal of Minimum Intervention in Dentistry}
}