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These results suggest that GFP - expressing telomerase - specific replication - competent adenovirus is a very potent diagnostic tool for assessment of functional CAR expression in tumor cells for Ad5 - based antitumor therapy .
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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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