nitroglycerin plaster ( in 5 cm2 , 10 cm2 or 20 cm2 sizes ) was applied to 12 patients with coronary heart disease , angina and exercise-induced ischemic reactions in the course of a simple-blind trial with intra-individual crossover in a randomized sequence over one week each .
C0017887
nitroglycerin
C0002962
angina