2781
Since the administration of BN 52021 , at all doses studied , did not alter MBP and HR at the doses used , the bulk of these results clearly demonstrate a protective action of BN 52021 , a specific antagonist of PAF , against bupivacaine - induced cardiovascular toxicity .
 Chemical: BN 52021; Chemical: BN 52021; Chemical: bupivacaine; Disease: cardiovascular toxicity
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: BN 52021; Chemical: BN 52021; Chemical: bupivacaine; Disease: cardiovascular toxicity