13687
We report a case of vitiligo that occurred during the second month of interferon alpha 2a therapy for chronic active hepatitis C .
 vitiligo, interferon alpha 2a
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:
 vitiligo, interferon alpha 2a