8029
RESULTS : For E1 , itraconazole plasma drug concentration extrapolated to time zero ( IV dose ) was 5 . 2 + / - 1 . 4 micrograms / ml , and mean residence time ( MRT ) was 37 + / - 16 hours .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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