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In uterine decidua , we found 29.9% CD3+ cells (2.2% of CD3+ were CD8+), 51.6% CD56+ cells and 18.5% CD68+ cells .
 CD3+ cells, CD68+ cells, CD56+ 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:
 CD3+ cells, CD68+ cells, CD56+ cells