W. G. de Campos, C. V. Esteves, K. Costa, A. C. P. de Andrade, C. Domaneschi, and C. A. Lemos, “Xerostomia in the older adult population, from diagnosis to treatment: a literature review”, Clin Lab Res Dent, Dec. 2019, doi: 10.11606/issn.2357-8041.clrd.2019.157759.