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Biologic drugs for the management of rheumatoid arthritis ( RA ) have revolutionized the therapeutic armamentarium with the development of several novel monoclonal antibodies , which include murine , chimeric , humanized , fully human antibodies and fusion proteins .
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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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