8076
Double staining for Bcl-6 /CD20 , Bcl-6 /CD3 , and Bcl-6 /CD57 was performed in selected cases.
 ( protein: Bcl-6, None) , ( protein: Bcl-6, None) , ( protein: Bcl-6, None) , ( protein: Bcl-6 /CD3, None) , ( protein: Bcl-6 /CD57, None) , ( protein: Bcl-6 /CD20, 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:
 ( protein: Bcl-6, None) , ( protein: Bcl-6, None) , ( protein: Bcl-6, None) , ( protein: Bcl-6 /CD3, None) , ( protein: Bcl-6 /CD57, None) , ( protein: Bcl-6 /CD20, None) 