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After rechallenge with monotherapy pegvisomant, however, the hepatic enzyme disturbances reappeared within a few weeks, indicating that most likely pegvisomant alone and not the long-acting somatostatin analog or the combination of these two drugs was responsible for this case of drug-induced hepatitis.
 hepatic enzyme disturbances reappeared: Effect; hepatitis: Effect; pegvisomant: Treatment; within a few weeks: Treatment.Time_elapsed; pegvisomant: Treatment.Drug
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 hepatic enzyme disturbances reappeared: Effect; hepatitis: Effect; pegvisomant: Treatment; within a few weeks: Treatment.Time_elapsed; pegvisomant: Treatment.Drug