all of the major cell populations present in pbl are found in the lymphoid tissue and blood of scid recipients , although the relative proportions of b cells , t-cell subsets and monocytes/macrophages in long-term recipients differ from those found in normal pbl and , in mice transplanted with 50 x 10 ( 6 ) or more pbl from epstein-barr virus ( ebv ) -seropositive donors , ebv-positive b-cell lymphomas often develop .
C0024296
lymphoid tissue
C0079731
b-cell lymphomas