13983
Cognitive performance was assessed using Morris water maze task while the parameters of oxidative stress assessed , were malondialdehyde ( MDA ) and total thiol levels besides glutathione peroxidase ( GPx ) activity .
 Chemical: malondialdehyde; Chemical: MDA; Chemical: thiol; Chemical: glutathione
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: thiol; Chemical: glutathione