9111
We report three cases of IFN beta induced hepatitis in MS and discuss the pathology findings and possible mechanisms of drug - induced liver injury .
 hepatitis, IFN beta; liver injury, IFN beta
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:
 hepatitis, IFN beta; liver injury, IFN beta