ca2+ channel agonist ( bay k 8644 ) and antagonist ( nifedipine ) analogs , respectively , enhanced or partially inhibited lh responses to gnrh and also to k+ , the latter confirming the participation of two types of vscc ( dihydropyridine-sensitive and -insensitive ) in k+-induced secretion .
C0028066
nifedipine
C0012315
dihydropyridine