Shcherba, V.V. and Korda, M.M. 2018. The state of the nitrogen (II) oxidesystem in rats with periodontitis on the background of hyper- and hypothyroidism. Medical and Clinical Chemistry. 1 (May 2018), 59–65. DOI:https://doi.org/10.11603/mcch.2410-681X.2018.v0.i1.8844.