713
However, continued low-dose MTX led, in spite of normal liver tests, 8 years after the last biopsy to liver failure and death in 1 of our patients.
 liver failure and death: Effect; low-dose MTX: Treatment; MTX: Treatment.Drug; low-dose: Treatment.Dosage
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:
 liver failure and death: Effect; low-dose MTX: Treatment; MTX: Treatment.Drug; low-dose: Treatment.Dosage