Krynytska, I., Khudan, R., Svanishvili, N., Dumbadze, Z., Marushchak, M. and Korda, M. 2021. Hydrogen sulfide metabolism and its role in the development of periodontal diseases. Romanian Journal of Diabetes Nutrition and Metabolic Diseases. 28, 3 (Oct. 2021), 311-315.