Whole body irradiation is often used in the art to create hematopoietic space and thus promote engraftment, {TAIL ~ chimerism}, and {HEAD ~ tolerance} 
Whole body irradiation is often used in the art to create hematopoietic space and thus promote engraftment , { TAIL ~ chimerism } , and { HEAD ~ tolerance }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD