in patients with vasospastic angina , coronary artery responses to both ergonovine and nitrate were greater in the spastic segments than in the other segments ( p less than 0.05 ) , and those of the coronary arteries without spasm were greater than those of the coronary arteries in patients without ischemic heart disease ( p less than 0.01 ) .
C0002963
vasospastic angina
C0014704
ergonovine