2722
Ataxia caused by propafenone has been reported to the pharmaceutical companies and drug monitoring agencies , but has not been well described or emphasized in the medical literature .
 Ataxia, propafenone
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:
 Ataxia, propafenone