21834
The influence of naltrexone ( 2 mg / kg s . c . ) on BTX - A antinociceptive activity was examined additionally in an experimental neuropathy induced by partial sciatic nerve transection .
 Chemical: naltrexone
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: naltrexone