2412
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.
 ( adverse event: developed ,  three patients with hepatitis C: Subject, three: Subject.Population, Graves' disease: Subject.Disorder, two successive phases of silent thyroiditis followed by hyperthryroidism relapse due to Graves' disease: Effect, IFN-alpha and ribavirin: Treatment, hepatitis C: Treatment.Disorder, IFN-alpha: Treatment.Drug, ribavirin: Treatment.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: developed ,  three patients with hepatitis C: Subject, three: Subject.Population, Graves' disease: Subject.Disorder, two successive phases of silent thyroiditis followed by hyperthryroidism relapse due to Graves' disease: Effect, IFN-alpha and ribavirin: Treatment, hepatitis C: Treatment.Disorder, IFN-alpha: Treatment.Drug, ribavirin: Treatment.Drug) 