Demkovych, A. Y., Y. I. Bondarenko, and Нolovata T. K. “Pathomorphological Changes in the Periodontal Complex Tissues in the Period of Experimental Bacterial-Immune Periodontitis Chronization”. Zaporozhye мedical Journal, no. 6, Feb. 2019, doi:10.14739/2310-1210.2018.6.146196.