Tamartash, H., B. Attarbashi Moghadam, K. Hosseini, and S. Musavi. “The Relationship Between Disease Severity and Quality of Life in Patients With Heart Failure Based on Kansas City Questionnaire”. Journal of Modern Rehabilitation, Vol. 11, no. 3, July 2017, pp. 161-6, http://jmr.tums.ac.ir/index.php/jmr/article/view/98.