Lapasova, Z. K. . “The State of Local Immunity of the Mucous Membrane of the Larynx in Children Is Normal and With Stenosing Recurrent Laryngotracheitis”. Middle European Scientific Bulletin, vol. 29, Oct. 2022, pp. 238-41, https://cejsr.academicjournal.io/index.php/journal/article/view/1574.