K. Tymruk-Skoropad, I. Pavlova, N. Sydoryk, Y. Kulitka, and B. Kruk, “Assessment of disease-related knowledge among patients with chronic obstructive pulmonary disease: a cross-sectional study”, Phys. Act. Rev., vol. 8, no. 2, pp. 72–85, Nov. 2020, doi: 10.16926/par.2020.08.24.