Baranowski, Mateusz, Agnieszka Wójcicka, Kacper Czerniakiewicz, and Joanna Wysokińska-Miszczuk. “Examination of the Needs of Hygienizational Patients of Periodontological Guidelines in Lublin”. Journal of Education, Health and Sport 10, no. 4 (April 22, 2020): 163–168. Accessed January 31, 2023. https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.04.018.