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A case of toxic hepatitis caused by combination therapy with methotrexate and etretinate in the treatment of severe psoriasis is presented in a 47-year-old woman.
 psoriasis: Subject; a 47-year-old woman: Subject; 47-year-old: Subject.Age; woman: Subject.Gender; toxic hepatitis: Effect; combination therapy with methotrexate and etretinate: Treatment; etretinate: Treatment.Drug; methotrexate: Treatment.Drug; severe psoriasis: Treatment.Disorder; methotrexate: Combination.Drug; etretinate: Combination.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:
 psoriasis: Subject; a 47-year-old woman: Subject; 47-year-old: Subject.Age; woman: Subject.Gender; toxic hepatitis: Effect; combination therapy with methotrexate and etretinate: Treatment; etretinate: Treatment.Drug; methotrexate: Treatment.Drug; severe psoriasis: Treatment.Disorder; methotrexate: Combination.Drug; etretinate: Combination.Drug