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As a bioassay for glucocorticoid action we also measured dexamethasone suppressibility of mitogen-stimulated incorporation of [3H]thymidine in mononuclear leukocytes .
 cell type: mononuclear leukocytes
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:
 cell type: mononuclear leukocytes