nifedipine , a dihydropyridine calcium slow channel blocker , exhibited dose-dependent ( 30 , 100 and 300 micrograms/kg ) inhibitory activity against histamine-induced increases in extravascular albumin , while another calcium slow channel blocker , verapamil ( 100 , 300 and 1000 micrograms/kg ) , exhibited much less activity .
C0028066
nifedipine
C2945601
dihydropyridine calcium