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We report the case of a 43-year-old man with ITP refractory to steroids and intravenous immunoglobulin who developed acute respiratory distress syndrome (ARDS) after a single infusion of rituximab.
 the case of a 43-year-old man with ITP refractory to steroids and intravenous immunoglobulin: Subject; 43-year-old: Subject.Age; man: Subject.Gender; refractory to steroids and intravenous immunoglobulin: Subject.Disorder; acute respiratory distress syndrome (ARDS): Effect; single infusion of rituximab: Treatment; infusion: Treatment.Route; rituximab: Treatment.Drug; ITP: Treatment.Disorder
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:
 the case of a 43-year-old man with ITP refractory to steroids and intravenous immunoglobulin: Subject; 43-year-old: Subject.Age; man: Subject.Gender; refractory to steroids and intravenous immunoglobulin: Subject.Disorder; acute respiratory distress syndrome (ARDS): Effect; single infusion of rituximab: Treatment; infusion: Treatment.Route; rituximab: Treatment.Drug; ITP: Treatment.Disorder