Diagnostic Utility of Relative Apical Sparing Index in Cardiac Amyloidosis Subtypes : A Comparative Study of Immunoglobulin Light Chain and Transthyretin Amyloid CardiomyopathyYoshihito Saijyo, Masataka Sata, N Yamaguchi et al.|Institutional Repositories DataBase (IRDB)|2025Cited by 0