22872
The obtained results demonstrate that acetaminophen efficiently modulates neutrophils ' oxidative burst in phorbol myristate acetate - activated neutrophils , in a concentration - dependent manner , at in vivo relevant concentrations .
 acetaminophen, phorbol myristate acetate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 acetaminophen, phorbol myristate acetate