the effects of oral nicardipine ( 40 mg ) and nifedipine ( 20 mg ) in combination with atenolol ( 100 mg ) were compared with those of placebo , oral nitroglycerin ( 0.4 mg ) and atenolol alone ( 100 mg ) in 17 patients with stable effort angina .
C0028066
nifedipine
C0340288
stable