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All patients had taken phenytoin for variable time periods (range 16-80 days; mean: 40) and were on the medication when the skin lesions first appeared.
 All patients: Subject; skin lesions: Effect; phenytoin for variable time periods (range 16-80 days; mean: 40): Treatment; phenytoin: Treatment.Drug; 16-80 days;: Treatment.Duration; 40: 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:
 All patients: Subject; skin lesions: Effect; phenytoin for variable time periods (range 16-80 days; mean: 40): Treatment; phenytoin: Treatment.Drug; 16-80 days;: Treatment.Duration; 40: Treatment.Duration