Khusainova Munira Alisherovna, Toirov Doston Rustamovich, Khaydarov Sanjar Nizamitdinovich, and Ortikova Sohiba Xamroyevna, “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.