in order to evaluate the antihypertensive effect and the tolerability of combination therapy with an angiotensin converting enzyme inhibitor ( captopril ) and a dihydropyridine calcium antagonist ( nifedipine ) compared with monotherapy and placebo , we studied 32 uncomplicated essential hypertensives .
C2945601
dihydropyridine calcium antagonist
C0028066
nifedipine