14043
Differential regulation of drug transporter expression by all - trans retinoic acid in hepatoma HepaRG cells and human hepatocytes .
 Chemical: all - trans retinoic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: all - trans retinoic acid