Observations on chimpanzees after whole-body radiation and homologous bone marrow treatment.

of ilcnlologous l)OIlc lll trrO\V to sulall illanlillals can confer 1)rotcctioil against otherwise lethal closes of radiation.”2 The mecilaflism of this Protection appears to be repopulation of tlit’ (larnagcd marrow by tile (lonor cells.ih These fillclings have suggested tilat 1)one n arro v hoinotransplantation Illigllt find a )plicatiOn Hi tile tilcral)v of hunlall racliatioii casualties or ill the illanagerneilt of l)ittieilts vith ra(liosensitive iiialignancies.7 Such s1)c ctii tti ll5 were eilcOuragc(l by the work of Barnes, Corp. IA)utit aild Neal5 who fotilld tilat intravenous hone n arro v cilal)led tilc’ survival of a proportion of leukemic Illicc after tile IleopiaSill ila(l been eradicatc(i I)\’ 1500 r of x-ra(liatioll. Since tilcil, a iltimbcr of workers have sought to utilize this approacil ill tile treatmcnt of htiman leukemia.” In the effort to define coil(litiOllS fcr success of the bone ii arrow cxpcriillent ill man, studies on otiler I)riill(ltes arc useful. Croucil ail(l Overman#{176} found that