the effects of nitroglycerin ointment ( 15 mg nitroglycerin ) on hemodynamics at rest and during exercise were studied in 12 patients with coronary artery disease and exertional angina ( angina group ) and in 8 patients with normal coronary arteriograms or with nonsignificant arteriographic abnormalities who did not have exertional chest pain ( nonangina group ) .
C0017887
nitroglycerin
C0002962
angina