
Keywords: مالیات بر ارزش افزوده; Anthracycline cardiotoxicity; Stress echocardiography; Children; Strain echocardiography; CCS; Childhood cancer survivor(s); DTI; Doppler tissue imaging; EF; Ejection fraction; HR; Heart rate; IVA; Isovolumic acceleration; KDE; Kernel density estimate; LV