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Indeed , patients with ED have higher risk of silent myocardial ischemia compared to those without ED , and when ED is added to the risk factors , it can even improve the sensitivity of screening for asymptomatic CAD .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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