27125
We found that unloading reduced callus area significantly , while no effects of PTH ( 1 - 34 ) on callus area were seen in neither normally nor unloaded animals .
 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