25896
This inhibition was mediated by a TCDD - induced secreted factor which was identified as insulin - like growth factor binding protein 4 ( IGFBP - 4 ) .
 Chemical: TCDD
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: TCDD