3417
In this study, EBV gene expression was determined in 23 cases of nasal lymphoma ( NL ) by in situ hybridisation ( ISH ), reverse transcriptase -polymerase chain reaction ( RT-PCR ) and immunohistochemistry ( IH ).
 ( protein: reverse transcriptase, None) , ( DNA: EBV gene, 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: reverse transcriptase, None) , ( DNA: EBV gene, None) 