7495
Identification and characterization of MIP - 1 alpha / CCL3 isoform 2 from bovine serum as a potent monocyte / dendritic cell chemoattractant .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None