an early decrease in the ratio between t4+ and t8+ t lymphocytes has been shown to correlate with the development of grade ii-iv gvhd in allogeneic bone marrow transplant ( bmt ) recipients receiving methotrexate ( mtx ) as prophylaxis for acute graft-versus-host disease ( gvhd ) .
C0018133
gvhd
C0856825
acute graft-versus-host disease