23990
Effects of exposure to amitraz on noradrenaline , serotonin and dopamine levels in brain regions of 30 and 60 days old male rats .
 Chemical: amitraz; Chemical: noradrenaline; Chemical: serotonin; Chemical: dopamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: amitraz; Chemical: noradrenaline; Chemical: serotonin; Chemical: dopamine