24377
The mRNA levels of SOD1 , CAT , GPx and Txnrd1 were increased significantly ( P < 0 . 05 ) in the combined Na2SeO3 + NaAsO2 treatment group .
 Chemical: Na2SeO3; Chemical: NaAsO2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Na2SeO3; Chemical: NaAsO2