the ca2+ evoked contractile responses were not modified by cinnarizine ( 10 microm ) , diltiazem ( 1 microm ) , ryanodine ( 10 microm ) , verapamil ( 1 microm ) , or the dihydropyridines , nitrendipine ( 1 microm ) and ( - ) -bay k 8644 ( 0.003-0.3 microm ) .
C0012315
dihydropyridines
C0028127
nitrendipine