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As neutrophils occupy approximately 92% of the cells in granulocyte fraction of human peripheral blood cells .
 neutrophils, granulocyte fraction, human peripheral blood 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:
 neutrophils, granulocyte fraction, human peripheral blood cells