6298
This methodological approach enables integration of local genotoxicity testing in subchronic inhalation studies and makes immunohistochemical detection , in particular of gamma - H2AX and 8 - hydroxyguanine , a very promising approach for local genotoxicity testing in lungs , with prognostic value for the long - term outcome of particle exposure .
 Chemical: 8 - hydroxyguanine
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: 8 - hydroxyguanine 
Answer:
 Chemical: 8 - hydroxyguanine