21288
In pleurisy , treatment of the animals with HCE ( 100mg / kg : 0 . 010 +/- 0 . 001mU / mg of protein ) also reduced MPO activity augmented by carrageenan ( 0 . 020 +/- 0 . 001mU / mg of protein ) as well as leukocytes migration ( carrageenan : 17 . 8890 +/- 2 . 3900leukocytes / mL , HCE 100mg / kg : 7 . 0880 +/- 9631leukocytes / mL ) .
 None
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