739
Histology was performed in DOX - rats at 6 and 9 weeks after the last DOX dose and in all controls .
 Chemical: DOX; Chemical: DOX
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: DOX, DOX 
Answer:
 Chemical: DOX; Chemical: DOX