191
Acute asymptomatic hepatitis in a healthy normal volunteer exposed to 2 oral doses of amodiaquine and artesunate.
 ( adverse event: exposed ,  a healthy normal volunteer: Subject, Acute asymptomatic hepatitis: Effect, 2 oral doses of amodiaquine and artesunate: Treatment, oral: Treatment.Route, 2: Treatment.Dosage, amodiaquine: Treatment.Drug, artesunate: Treatment.Drug, artesunate: Combination.Drug, amodiaquine: Combination.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: exposed ,  a healthy normal volunteer: Subject, Acute asymptomatic hepatitis: Effect, 2 oral doses of amodiaquine and artesunate: Treatment, oral: Treatment.Route, 2: Treatment.Dosage, amodiaquine: Treatment.Drug, artesunate: Treatment.Drug, artesunate: Combination.Drug, amodiaquine: Combination.Drug) 