myocardial tissue obtained by endomyocardial biopsy was semiquantitatively evaluated for nuclear and nucleolar characteristics in six groups of patients : patients with normal cardiac function ( group 1 ) , doxorubicin-induced cardiomyopathy ( group 2 ) , idiopathic cardiomyopathy ( group 3 ) , alcoholic cardiomyopathy ( group 4 ) , post-viral cardiomyopathy ( group 5 ) , and chronic valvular heart disease ( group 6 ) .
C0027061
myocardial tissue
C0189785
endomyocardial biopsy