1126
The case reported here is of a child given a large dose of intravenous iron sucrose (16 mg/kg) over 3 hours, who subsequently developed features of systemic iron toxicity.
 a child: Subject; child: Subject.Age; systemic iron toxicity: Effect; a large dose of intravenous iron sucrose: Treatment; iron sucrose: Treatment.Drug; 16 mg/kg: Treatment.Dosage; 3 hours: Treatment.Duration
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:
 a child: Subject; child: Subject.Age; systemic iron toxicity: Effect; a large dose of intravenous iron sucrose: Treatment; iron sucrose: Treatment.Drug; 16 mg/kg: Treatment.Dosage; 3 hours: Treatment.Duration