variations induced by nifedipine ( 10 mg sublingually ) in the residual lumen diameter of significant ( greater than 50 % ) coronary lesions were assessed angiographically in 58 patients with effort angina ( group 1 ) and in 19 patients with prinzmetal angina ( group 2 ) .
C0028066
nifedipine
C0002963
prinzmetal angina