the effects of the 1,4-dihydropyridine derivative nisoldipine , infused intravenously ( i.v . ) at 3 different rates ( 0.25 , 0.5 and 1.0 microgram kg-1 min-1 ) , were studied in anaesthetized pigs on cardiovascular performance with or without beta-adrenoceptor blockade produced by propranolol .
C0012315
dihydropyridine
C0028116
nisoldipine