3821
The lack of a similar response to ketamine and xylazine anesthesia revealed that the cardiovascular actions of sodium pentobarbital in barium - treated rats were linked specifically to this anesthetic , and were not representative of a generalized anesthetic response .
 Chemical: ketamine; Chemical: xylazine; Chemical: sodium pentobarbital; Chemical: barium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: ketamine; Chemical: xylazine; Chemical: sodium pentobarbital; Chemical: barium