Dziewierz A, Dziewierz P, Pietrusińska P, Sadowska A, Welkier A, Sobiński A, et al. Iron deficiency in children - causes, consequences, treatment - review of the literature. J Educ Health Sport [Internet]. 2025 Apr. 28 [cited 2025 May 1];80:59534. Available from: https://apcz.umk.pl/JEHS/article/view/59534