18638
Since such DNA damage can impair its structure and function , Comet assay results should preferably be supplemented with other methods in order to predict the consequences of genotoxic insult more accurately .
 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