Krzyżanowska, Ewa, Ewelina Indycka, Robert Jan Łuczyk, Marta Łuczyk, Katarzyna Sawicka, Agnieszka Wawryniuk, and Jadwiga Daniluk. 2017. “Knowledge Level and Incidence of Complications in Diabetic Patients”. Journal of Education, Health and Sport 7 (8):446-72. https://apcz.umk.pl/JEHS/article/view/4758.