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Zyabkin IV, Grachev NS, Karpova EP, Vorozhtsov IN, Yaremenko EY.Zyabkin IV, et al. Among authors: vorozhtsov in.Vestn Otorinolaringol. 2020;85(1):48-53. doi: 10.17116/otorino20208501148.Vestn Otorinolaringol. 2020.PMID: 32241989Russian.