1883
RESULTS: BZLF1 ( ZEBRA ) or early gene products ( EA-R and EA-D/BHLF1/NotI ) were detected in a small proportion (< 0.01-5%) of tumour cells in eight of these 17 cases by immunohistochemistry and in situ hybridization .
 ( protein: BZLF1, None) , ( protein: EA-D/BHLF1/NotI, None) , ( protein: EA-R, None) , ( cell type: tumour cells, None) , ( protein: ZEBRA, None) , ( protein: early gene products, 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: BZLF1, None) , ( protein: EA-D/BHLF1/NotI, None) , ( protein: EA-R, None) , ( cell type: tumour cells, None) , ( protein: ZEBRA, None) , ( protein: early gene products, None) 