balb/c bone marrow ( added as a source of hematopoietic stem cells ) combined with equal volumes of spleen cells ( added as a source of gvhd-promoting cells ) was pretreated in vitro with monoclonal anti-lyt-1.2 or lyt-2.2 plus absorbed rabbit complement before injection into c57bl/6 total-body-irradiated recipients .
C0018956
hematopoietic stem cells
C0007634
cells