Łanowy, P., M. Bichalski, J. Komasa, K. Mocny-Pachońska, and M. Tanasiewicz. “Oral Microbiota and Systemic Disease”. Journal of Education, Health and Sport, vol. 9, no. 8, Aug. 2019, pp. 811-22, https://apcz.umk.pl/JEHS/article/view/7245.