“ASSESSMENT OF QUALITY OF LIFE IN PATIENTS WITH CHRONIC HEART FAILURE WITH PRESERVED CARDIAC OUTPUT”, Spec. Jour. of Inno. Ref. and Dev., vol. 9, pp. 467–474, Dec. 2022, Accessed: Jan. 30, 2026. [Online]. Available: https://sjird.journalspark.org/index.php/sjird/article/view/398