Tywanek, Ewa, Paulina Trojanowska, Magdalena Woźniak, Jakub Wronecki, Agnieszka Zwolak, and Robert Jan Łuczyk. 2019. “Causes of Hypoglycemia”. Journal of Education, Health and Sport 9 (9):905-11. https://apcz.umk.pl/JEHS/article/view/7514.