16864
Effect of tocopherol on biochemical blood parameters in pleuritis - induced rats treated with 2 , 3 , 7 , 8 - tetrachlorodibenzo - p - dioxin .
 Chemical: tocopherol; Chemical: 2 , 3 , 7 , 8 - tetrachlorodibenzo - p - dioxin
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: tocopherol; Chemical: 2 , 3 , 7 , 8 - tetrachlorodibenzo - p - dioxin