520
Severe symptoms associated with serotonin toxicity were shown to be uncommon in patients receiving linezolid and selected serotonin reuptake inhibitors.
 patients: Subject; Severe symptoms associated with serotonin toxicity: Effect; linezolid and selected serotonin reuptake inhibitors: Treatment; serotonin: Treatment.Drug; linezolid: Treatment.Drug; serotonin reuptake inhibitors: Treatment.Drug; linezolid: Combination.Drug; serotonin reuptake inhibitors: 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:
 patients: Subject; Severe symptoms associated with serotonin toxicity: Effect; linezolid and selected serotonin reuptake inhibitors: Treatment; serotonin: Treatment.Drug; linezolid: Treatment.Drug; serotonin reuptake inhibitors: Treatment.Drug; linezolid: Combination.Drug; serotonin reuptake inhibitors: Combination.Drug