@article{articleebc71019,
title   = {Foreign body in the hard palate of children and risk of misdiagnosis: report of 3 cases},
author = {Rocha, André Caroli and Barnabé, Daniel Galera and Amato Filho, Gabriel and Guimarães Júnior, Jayro and Machado, Gustavo Grothe},
year = {2009},
journal   = {Journal of oral and maxillofacial surgery}
}