administration od dmi ( 10 mg/kg , i.p. , twice daily ) for 7 days did not alter the cardiac beta-adrenergic receptor density or the affinity for ( - ) [ 3h ] dihydroalprenolol ( 3h-dha ) but diminished the activation of myocardial phosphorylase produced by isoproterenol .
C0018787
cardiac
C0027061
myocardial