Nieścior, Hubert, Dominika Sereda, Aleksandra Metelska, Jakub Metelski, and Monika Szwed. “Primary Failure of Eruption (PFE) - a Systematic Literature Review”. Journal of Education, Health and Sport 12, no. 8 (August 11, 2022): 423–427. Accessed January 21, 2026. https://apcz.umk.pl/JEHS/article/view/39377.