25860
We applied our strategy to acetaminophen and compared three different ways to calibrate the PBPK model : only with in vitro and in silico methods , using rat data or using all available data including data on humans .
 acetaminophen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 acetaminophen