Sokolnyk, S. V., T. V. Sorokman, G. B. Bodnar, P. M. Moldovan, I. Y. Loziuk, and N. Y. Vaskul. “Marker Profile of Digestive System Organs Comorbid Pathology in Children”. Journal of Education, Health and Sport, vol. 10, no. 10, Oct. 2020, pp. 272-8, doi:10.12775/JEHS.2020.10.10.026.