16855
At the end of the study , malondialdehyde ( MDA ) and reduced glutathione ( GSH ) levels were measured in the whole blood ; catalase ( CAT ) activity level was measured in erythrocytes ; and nitrite ( NO ( 2 ) ) and nitrate ( NO ( 3 ) ) levels were measured in the serum .
 Chemical: malondialdehyde; Chemical: MDA; Chemical: reduced glutathione; Chemical: GSH; Chemical: nitrite; Chemical: NO ( 2 ); Chemical: nitrate; Chemical: NO ( 3 )
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: malondialdehyde; Chemical: MDA; Chemical: reduced glutathione; Chemical: GSH; Chemical: nitrite; Chemical: NO ( 2 ); Chemical: nitrate; Chemical: NO ( 3 )