Leal, M.B., Góes, J. da S., Dellovo, A.G., Sao Mateus, C.R. and Macedo, G. de O. 2019. Effect of Polyethylene Terephthalate Tongue Scraper on Oral Levels of Volatile Sulfur Compounds: a randomized clinical trial. Brazilian Dental Science. 22, 1 (Jan. 2019), 31–38. DOI:https://doi.org/10.14295/bds.2019.v22i1.1671.