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Deer from the mining area also showed an induced T - helper ( Th ) - dependent immune response toward the Th 2 pathway , whereas boar from the mining area showed a cytokine profile suggesting an inclination of the immune response toward the Th 1 pathway .
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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