• graft-versus-
  • Historically, unmanipulated T-cell-replete haploSCT grafts with conventional graft-versus-host-disease (GVHD) prophylaxis used in the late 1970s were associated with intense bidirectional alloreactivity and unacceptably high morbidity and mortality rates due to hyperacute GVHD and graft rejection ( 4 , 5 , 6 ). (mhmedical.com)