the negative inotropic effects of thiopental ( 10-30 mg/l ) and halothane ( 0.5-1.5 % ) were compared in rabbit papillary muscles under various stimulation conditions to gain insight into the action of these anesthetics on the availability of ca2+ for the activation of myocardial contractile activity .
C0030352
papillary muscles
C0027061
myocardial