For citations:
Preobrazhenskaya YS, Drozdova MV, Ryazantsev SV. Etiological aspects of chronic pathology of the lymphepithelial pharyngeal ring in children at the present stage. Meditsinskiy sovet = Medical Council. 2021;(18):100-105. (In Russ.) https://doi.org/10.21518/2079-701X-2021-18-100-105