1.
MaƂkowska-Szkutnik A, Mazur J. Burden of Chronic Conditions and Subjective Complaints as Factors Modifying the Way Polish Students Are Functioning at School. PERR [Internet]. 2019 Apr. 2 [cited 2024 May 19];8(1):55-63. Available from: https://perrjournal.com/index.php/perrjournal/article/view/193