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In this work, the mixed leucocytes were further separated into mononuclear (MNL) and polymorphonuclear (PML) leucocytes , and GCR were determined in each part of leucocytes .
 protein: GCR; cell type: mixed leucocytes; cell type: leucocytes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: GCR; cell type: mixed leucocytes; cell type: leucocytes