the right ventricular muscle biopsies were obtained from the following 120 patients : 24 cases of congestive cardiomyopathy , 26 of hypertrophic cardiomyopathy , 28 of atrial septal defect , 6 of primary pulmonary hypertension , 31 of bradyarrhythmic hearts and 5 controls .
C0007193
congestive cardiomyopathy
C0018787
hearts