29822
The observed phenotypic responses to TCPP and TDCPP exposure may be associated with disruption of the TH - axis , which is critical for normal growth and development in birds .
 TCPP, TDCPP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 TCPP, TDCPP