Xavier, H.V.M., Bulla, J.R., Luize, L.M., Moreno, T., Tognim, M.C.B. and Garcia, L.B. 2008. Bacteriological analysis of water in dental units. Acta Scientiarum. Biological Sciences. 22, (May 2008), 631-636. DOI:https://doi.org/10.4025/actascibiolsci.v22i0.2998.