tokens: T cell proliferation was induced by three peptides , P1 , P4 , and P7 , in 71-100% of the donors tested before and after vaccination using DC as APC .
folded_tokens: t cell proliferation was induced by three peptides , p1 , p4 , and p7 , in 71-100% of the donors tested before and after vaccination using dc as apc .
labels: B-other_name I-other_name I-other_name O O O O B-peptide O B-peptide O B-peptide O O B-peptide O O O O O O O O O O O O B-cell_type O B-cell_type O