tokens: Five healthy human leukocyte antigen-B8 ( HLA-B8 ) -positive virus carriers were studied to investigate the CD8+ cytotoxic T lymphocyte ( CTL ) response to an HLA-B8-restricted peptide , RAKFKQLLQ , located in the Epstein-Barr virus ( EBV ) immediate-early trans-activator protein , BZLF1 .
folded_tokens: five healthy human leukocyte antigen-b8 ( hla-b8 ) -positive virus carriers were studied to investigate the cd8+ cytotoxic t lymphocyte ( ctl ) response to an hla-b8-restricted peptide , rakfkqllq , located in the epstein-barr virus ( ebv ) immediate-early trans-activator protein , bzlf1 .
labels: O B-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O O O O O O B-peptide I-peptide O B-peptide O O O O B-virus I-virus O B-virus O O O O O B-protein_molecule O