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The first case concerns a 70-year-old man who developed severe aplastic anemia 7 weeks after treatment with 500 mg of ticlopidine daily.
 70-year-old man: Subject; 70-year-old: Subject.Age; man: Subject.Gender; severe aplastic anemia: Effect; 7 weeks after treatment with 500 mg of ticlopidine daily: Treatment; 7 weeks: Treatment.Time_elapsed; 500 mg: Treatment.Dosage; ticlopidine: Treatment.Drug; daily: Treatment.Freq
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:
 70-year-old man: Subject; 70-year-old: Subject.Age; man: Subject.Gender; severe aplastic anemia: Effect; 7 weeks after treatment with 500 mg of ticlopidine daily: Treatment; 7 weeks: Treatment.Time_elapsed; 500 mg: Treatment.Dosage; ticlopidine: Treatment.Drug; daily: Treatment.Freq