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Increased tocilizumab exposure was associated with improvements in Disease Activity Score using 28 joints ( DAS28 ) and American College of Rheumatology ( ACR ) criteria and with a decrease in inflammation markers .
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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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