Limiting transplantation-related mortality following unrelated donor stem cell transplantation by using a nonmyeloablative conditioning regimen. - Chakraverty, R; Peggs, K; Chopra, R; Milligan, D; Kottaridis, P; Verfuerth, S; Geary, J; Thuraisundaram, D; Branson, K; Chakrabarti, S; Mahendra, P; Craddock, C; et al. (Blood, 2002)