25736
The effect on proliferation was reversed upon removal of 6 - OH - PBDE - 47 and correlated with selective but reversible inhibition of ERK5 activation by mitogenic growth factors EGF and bFGF .
 6 - OH - PBDE - 47
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 6 - OH - PBDE - 47