fifteen patients aged 55 +/- 6 years ( mean +/- sd ) with mild , chronic stable angina were evaluated after 2 weeks of sublingual nitroglycerin therapy ( control ) and also after 12 weeks of treatment with either propranolol , up to 320 mg per day , or nifedipine , up to 120 mg per day , in order to measure signs of ischemia and the response of symptoms to therapy .
C0340288
chronic stable
C0028066
nifedipine