Sorokman, T.V., and O.V. Makarova. 2021. “The Effect of Iodine Deficiency on the Course of Recurrent Respiratory Infection in Children Living in the Iodine Deficient Region”. INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine) 17 (5):448-52. https://doi.org/10.22141/2224-0721.17.5.2021.241527.