Cavassim, R., Leite, F. R. M., Zandim, D. L., Dantas, A. A. R., Rached, R. S. G. A., & Sampaio, J. E. C. (2012). Influence of concentration, time and method of application of citric acid and sodium citrate in root conditioning. Journal of Applied Oral Science, 20(3), 376-383. https://doi.org/10.1590/S1678-77572012000300014