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 ) .
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 ) .
O O O O B-virus O O O O O O O O B-tissue I-tissue O B-tissue O O B-other_name I-other_name I-other_name O B-other_name O O B-protein_molecule I-protein_molecule O O O O B-other_name O O B-other_name O B-other_name O O