3350
The results of this study suggest that in patients with syndrome X , myocardial ischemia frequently develops during daily life ; silent ischemia is an important component of this syndrome ; and increased oxygen demand in the presence of impaired coronary vasodilatory capacity is not the only cause of myocardial ischemia .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None