14320
Although various manifestations of pentamidine - induced cardiotoxicity have been reported , to our knowledge , second - degree heart block associated with this agent has not been described .
 cardiotoxicity, pentamidine; second - degree heart block, pentamidine
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 cardiotoxicity, pentamidine; second - degree heart block, pentamidine