5121
The drugs were orally administered twice daily for 3 days by gastric intubation after which selected plasma biochemical indices , and erythrocytes antioxidant defence and lipid peroxidation markers were evaluated .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None