7727
The results of this study indicated that the shear modulus of bone decreased with respect to the applied strain , but the rate of degradation was about 50 % less than those previously observed in compression and tension tests .
 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