the long-term course of angina and the electrocardiographic signs of ischemia were assessed in 13 patients ( 10 women and 3 men , mean age 49 +/- 6 years ) with typical angina pectoris , positive exercise tests , no evidence of coronary spasm and angiographically normal coronary arteries ( syndrome x ) .
C0002962
angina
C0206064
syndrome x