the cardiac and plasma levels of immunoreactive ( ir- ) atrial natriuretic factor ( anf ) in cardiomyopathic hamsters with moderate and severe congestive heart failure were measured , compared with those of controls , and correlated by hplc analysis of ir-anf in atria , ventricles , and plasma and with the ultrastructure of atrial and ventricular cells .
C0018787
cardiac
C0018827
ventricular