Jakubowska, Klaudia Olga, Anna Sykut, Marta Łopuszyńska, Beata Kropornicka, and Aneta Kościołek. “Life Quality of Patients With Chronic Obstructive Pulmonary Disease”. Journal of Education, Health and Sport 7, no. 9 (August 30, 2017): 33–44. Accessed April 30, 2025. https://apcz.umk.pl/JEHS/article/view/4750.