Drożak, Martyna, Paulina Drożak, Justyna Dziekońska, Martyna Nowińska, and Paulina Grabowy. “Xerostomia Among Elderly Patients – Systematic Review”. Journal of Education, Health and Sport 11, no. 9 (September 18, 2021): 289–297. Accessed February 7, 2026. https://apcz.umk.pl/JEHS/article/view/35320.