in a randomized , double-blind , crossover study , 19 patients with angina were exercised 2 min after 0.4 mg sublingual nitroglycerin and after sublingual placebo and before and 1 , 3 , and 5 hours after oral isosorbide dinitrate ( isdn ) and oral placebo .
C0002962
angina
C0022252
isosorbide dinitrate