1159
DESIGN: We reviewed the medical records of four patients, who were seen by us between July 2000 and February 2004 for sudden onset of a central neurological syndrome within days of intrathecal MTX.
 medical records of four patients: Subject; four: Subject.Population; a central neurological syndrome: Effect; MTX: Treatment; MTX: Treatment.Drug; within days: Treatment.Time_elapsed
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:
 medical records of four patients: Subject; four: Subject.Population; a central neurological syndrome: Effect; MTX: Treatment; MTX: Treatment.Drug; within days: Treatment.Time_elapsed