Lavrin, O. Ya., V. V. Shcherba, and I. Ya. Krynytska. 2017. “Biochemical Changes in rats’ Periodont on the Background of Smoking”. Medical and Clinical Chemistry, no. 1 (April):81-86. https://doi.org/10.11603/mcch.2410-681X.2017.v0.i1.7682.