8737
The first patient developed a monoarthritis 2 weeks after initiation of IFN - beta , which persisted during the 14 months of therapy and resolved with discontinuation of the medication .
 monoarthritis, 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:
 monoarthritis, IFN - beta