Kielnar, Renata, and Elżbieta Domka-Jopek. “The Importance of the Evaluation of the Quality of Life before and After a Three – Month Cardiological Group Rehabilitation of Patients Suffering from Coronary Heart Disease”. European Journal of Clinical and Experimental Medicine 3, no. 4 (December 30, 2005): 355–361. Accessed August 1, 2026. https://journals.ur.edu.pl/ejcem/article/view/13440.