Plemons JM, Al-Hashimi I, Marek CL, American Dental Association Council on Scientific Affairs. Managing xerostomia and salivary gland hypofunction: executive summary of a report from the American Dental Association Council on Scientific Affairs. J Am Dent Assoc 2014;145(8):867–73. https://www.ncbi.nlm.nih.gov/pubmed/25082939