Pithon, M. M., Santos, R. L. dos, Martins, F. O., Ruellas, A. C. de O., Nojima, L. I., Nojima, M. G., & Romanos, M. T. V. (2015). Cytotoxicity of polycarbonate orthodontic brackets. Brazilian Journal of Oral Sciences, 8(2), 84–87. https://doi.org/10.20396/bjos.v8i2.8642232