3973
PD treatment attenuated oxidative stress , as evidenced by an increase in anti - oxidative enzyme levels glutathione and superoxide dismutase together with a decrease in lipid peroxidation and oxidative stress indices levels of malondialdehyde and nitric oxide .
 Chemical: glutathione; Chemical: superoxide; Chemical: malondialdehyde; Chemical: nitric oxide
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: glutathione; Chemical: superoxide; Chemical: malondialdehyde; Chemical: nitric oxide