15362
Lead at 2 . 5 and 5 . 0 mu M induced aberrant MH - II surface expression through increased MII exocytosis and increased autophagosome formation in Raw 267 . 4 cells .
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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:
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