19575
After intravenous ( i . v . ) administration , the concentration of MH in brain of cMHNP ( 6 . 21 +/- 0 . 64 micro g / mL ) treated rats was significantly higher with MH solution treated ( 0 . 70 +/- 0 . 06 micro g / mL ) as well as MHNP ( 1 . 03 +/- 0 . 12 micro g / mL ) treated animals .
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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:
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