11090
Direct transcriptional regulation of human hepatic cytochrome P450 3A4 ( CYP3A4 ) by peroxisome proliferator - activated receptor alpha ( PPAR alpha ) .
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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:
 None