Sokolnyk SV, Sorokman TV, Bodnar GB, Moldovan PM, Loziuk IY, Vaskul NY. Marker profile of digestive system organs comorbid pathology in children. J Educ Health Sport [Internet]. 2020 Oct. 30 [cited 2024 Apr. 25];10(10):272-8. Available from: https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.10.026