BOIARSKA, L., HREBENIUK, L. and IVANOVA, K. The role of laryngopharyngeal reflux in the development of nasopharyngeal manifestations of GERD in preschoolers. Journal of Education, Health and Sport. Online. 18 April 2022. Vol. 12, no. 4, pp. 127-139. [Accessed 13 June 2025]. DOI 10.12775/JEHS.2022.12.04.011.