in an attempt to further define the site of myocardial adenosine formation , isolated guinea pig hearts were perfused with potent inhibitors of 5'-nucleotidase [ alpha , beta-methylene adenosine 5'-diphosphate ( aopcp ) ] and of nucleoside transport [ 4-nitrobenzyl thioinosine ( nbmpr ) ] .
C0027061
myocardial
C0018787
hearts