since unfractionated peripheral blood mononuclear ( pbm ) cells from cll patients consist of a markedly increased proportion of b-lymphocytes and a decreased proportion of t-lymphocytes , enriched fractions of cll b-cells and cll t-cells were cultured in 1:1 proportions in autologous and allogeneic combinations with normal b-cell and t-cell-enriched fractions .
C0023434
cll b-cells
C0004561
b-cell