3459
These data show that this technique is useful for the identification of minimal residual disease in patients with APL and that cytotoxic chemotherapy following ATRA therapy is required for the elimination of APL cells .
 ( cell type: APL cells, None) 
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: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: APL cells, None) 