Triggering of HLA-DR antigens differentially modulates tumor necrosis factor alpha release by B cells at distinct stage of maturation .
triggering of hla-dr antigens differentially modulates tumor necrosis factor alpha release by b cells at distinct stage of maturation .
O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O B-cell_type I-cell_type O O O O O O