Potapenko SV. Determination of significant prognostic factors in the development of magnesium deficiency in children and adolescents with gastroesophageal reflux disease. J Educ Health Sport [Internet]. 2020 Dec. 14 [cited 2025 May 13];10(12):125-37. Available from: https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.12.012