the cardiovascular effects of the dihydropyridine slow channel calcium blocking agents , nifedipine , nitrendipine , fr 34235 , niludipine and nisoldipine were compared to the vasodilator , hydralazine , in conscious , instrumented dogs before and after propranolol ( 2 mg/kg i.v . ) .
C2945601
dihydropyridine
C0028116
nisoldipine