Although phenotypically normal , the proliferative response of the childrens' T cells was strongly reduced but could be improved by the addition of interleukin-2 ( IL-2 ) .
although phenotypically normal , the proliferative response of the childrens' t cells was strongly reduced but could be improved by the addition of interleukin-2 ( il-2 ) .
O O O O O O O O O O B-cell_type I-cell_type O O O O O O O O O O O B-protein_molecule O B-protein_molecule O O