@article{article97319944,
title   = {Prevalence of microorganisms in root canals of human deciduos teeth with necrotic pulp and chronic periapical lesions},
author = {Pazelli, Luciana Cunha and Freitas, Aldevina Campos de and Ito, Izabel Yoko and Souza-Gugelmin, Maria Cristina Monteiro de and Medeiros, Alexandra Sárzyla and Nelson Filho, Paulo},
year = {2003},
doi = {10.1590/s1517-74912003000400013},
journal   = {Pesquisa Odontológica Brasileira}
}