316482
Anti-RA33 occur in approximately 30-35 % of patients with RA , in 20-25 % of patients with systemic lupus erythematosus and in 35-40 % of patients with mixed connective tissue disease , being rare or absent in other arthritic conditions with a non-autoimmune etiology .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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