in consideration of the statisically significant reduction in the number of anginal attacks per day , p less than 0.001 , together with the non-significant mean changes in blood pressure and pulse rate as well as the compatibility with the other drugs , it is concluded that nifedipine is a very useful drug , in a dose range of 30 -- 120 mg per day , for the treatment of prinzmetal 's angina .
C0028066
nifedipine
C0002963
prinzmetal 's angina