@misc{misc705ca18b,
title   = {Clinical performance of glass ionomer cement and resin-based materials as occlusal sealants: a 4-year longitudinal study},
author = {Oliveira, F. S. and Silva, Salete Moura Bonifácio da and Machado, Maria Aparecida de Andrade Moreira},
year = {2005},
booktitle   = {ORCA Congress}
}