Cheremisina, V. F. “The Role of Connective Tissue Metabolic Processes in the Development of Pathological Processes at Inflammation of Different Intensity in Parodontium”. Journal of Education, Health and Sport, vol. 8, no. 8, Aug. 2018, pp. 1250-4, https://apcz.umk.pl/JEHS/article/view/6214.