treatment of isolated , working rat hearts with equiactive conditions of buffer containing low ca2+ ( lc ) , verapamil ( ver ) , diltiazem ( dil ) or nifedipine ( nif ) prior to global ischemia ( 33 min , 37 degrees c ) resulted in an equal enhancement in recovery of contractile function , and high energy phosphate ( hep ) stores in reperfused hearts .
C0018799
hearts
C0018787
hearts