Silva de Freitas, C. V., Dias, L. S., Araújo, C. S. de, da Silva, V. C., Neto, V. M., & Lima de Souza, J. I. (2012). Assessment of microbiological contamination of radiographic devices in School of Dentistry. Brazilian Dental Science, 15(1), 39–46. https://doi.org/10.14295/bds.2012.v15i1.716