tokens: Recent studies have suggested that the diversity of TCR repertoire after primary immunization is conserved in memory T cells and that a progressive narrowing of this repertoire may take place during recall infections .
folded_tokens: recent studies have suggested that the diversity of tcr repertoire after primary immunization is conserved in memory t cells and that a progressive narrowing of this repertoire may take place during recall infections .
labels: O O O O O O O O B-protein_family_or_group O O B-other_name I-other_name O O O B-cell_type I-cell_type I-cell_type O O O O O O O O O O O O B-other_name I-other_name O