radioimmunoassay of cardiac extracts revealed concentrations of somatostatin-like immunoreactivity ranging from 0.50 +/- 0.13 pmol/g tissue ( means +/- se , n = 6 ) in the pulmonary artery to 0.78 +/- 0.23 pmol/g tissue in the right ventricle .
C0018787
cardiac
C0225883
right ventricle