Savielieva, N. M., Honcharenko, O. V., Schnaider, S. A. and Tkachenko, Y. K. (2019) “The effect of estrogen deficiency and its combination with chronic stress on the condition of periodontal in old rats”, Zaporozhye Medical Journal, (1). doi: 10.14739/2310-1210.2019.1.155832.