2367
Thirty-six patients with AL received, in a three-month period, 51 cycles of combined chemotherapy which included, in all of them, cytosine arabinoside (ARA-C); among them, along with myelosuppression, five experienced fever, infectious complications, gastrointestinal tract symptoms and severe myalgias.
 ( adverse event: experienced ,  five: Subject, five: Subject.Population, fever, infectious complications, gastrointestinal tract symptoms and severe myalgias: Effect, chemotherapy: Treatment, cytosine arabinoside (ARA-C): Treatment, cytosine arabinoside: Treatment.Drug, three-month: Treatment.Duration) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: experienced ,  five: Subject, five: Subject.Population, fever, infectious complications, gastrointestinal tract symptoms and severe myalgias: Effect, chemotherapy: Treatment, cytosine arabinoside (ARA-C): Treatment, cytosine arabinoside: Treatment.Drug, three-month: Treatment.Duration) 