1. 2) Lyons, D.C.: The dry mouth adverse reaction syndrome in the geriatric patient. J Oral Med 27: 110-111 1972.
2. 3) Cassolato, S.F. and Turnbull, R.S.: Xerostomia: clinical aspects and treatment. Gerodontology 20: 64-77 2003.
3. 4) Guggenheimer, J. and Moore, P.A.: Xerostomia: etiology, recognition and treatment. J Am Dent Assoc 134: 548-550 2003.
4. 5) Gupta, A., Epstein, J.B., et al.: Hyposalivation in elderly patients. J Can Dent Assoc 72: 841-846 2006.
5. 9) Bertram, U.: Xerostomia, clinical aspects, pathology, and pathogenesis. Acta Odontol Scand 25: 32-36 1967.