diltiazem ( d ) ( 0.5 mg kg-1 iv ) , verapamil ( v ) ( 0.25 mg kg-1 iv ) , gallopamil ( g ) ( 0.13 mg kg-1 iv ) and nifedipine ( n ) ( 0.04 mg kg-1 iv ) were given in six animals each 5 min prior to coronary occlusion .
C0042523
verapamil
C0016986
gallopamil