23992
The amitraz - treated rats at the oral doses of 20 and 50mg / kg bw had no visible injury , i . e . , any clinical signs of dysfunction observed in any of the animals .
 Chemical: amitraz
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