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In this study , we investigated the effect of chronic administration of LF on oxidative stress and hypertension upon Dex administration .
 Disease: hypertension; Chemical: Dex
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hypertension; Chemical: Dex