the plasma and cardiac levels of immunoreactive ( ir ) atrial natriuretic factor ( anf ) were measured during the entire lifespan of cardiomyopathic hamsters , which eventually develop spontaneous congestive heart failure , and were correlated with immunohistochemical , ultrastructural , and immunocytochemical changes in the secretory apparatus of atrial and ventricular cardiocytes .
C0018787
cardiac
C0018792
atrial