1547
We have described three patients with hepatitis C for whom IFN - alpha and ribavirin were prescribed and who developed two successive phases of silent thyroiditis followed by hyperthryroidism relapse due to Graves ' disease .
 hyperthryroidism, IFN - alpha; hyperthryroidism, ribavirin; thyroiditis, IFN - alpha; thyroiditis, ribavirin
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:
 hyperthryroidism, IFN - alpha; hyperthryroidism, ribavirin; thyroiditis, IFN - alpha; thyroiditis, ribavirin