6322
An ex - vivo rat - to - human perfusion model and a vivo guinea - pig - to - rat heat HAR model were used to determine the protection of rFII against HAR .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None