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However, secretion of IL-2 by anti-CD3-stimulated cord blood mononuclear cells was still blunted compared with control cells from adults.
 control cells, IL-2, anti-CD3-stimulated cord blood mononuclear cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 control cells, IL-2, anti-CD3-stimulated cord blood mononuclear cells