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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 .
 ( cell type: CD3+ cells, None) , ( cell type: CD68+ cells, None) , ( cell type: CD56+ cells, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: CD3+ cells, None) , ( cell type: CD68+ cells, None) , ( cell type: CD56+ cells, None) 