The graft-versus-leukemia effect using matched unrelated donors is not superior to HLA-identical siblings for hematopoietic stem cell transplantation.

Ringdén O, Pavletic SZ, Anasetti C, Barrett AJ, Wang T, Wang D, Antin JH, Di Bartolomeo P, Bolwell BJ, Bredeson C, Cairo MS, Gale RP, Gupta V, Hahn T, Hale GA, Halter J, Jagasia M, Litzow MR, Locatelli F, Marks DI, McCarthy PL, Cowan MJ, Petersdorf EW, Russell JA, Schiller GJ, Schouten H, Spellman S, Verdonck LF, Wingard JR, Horowitz MM, Arora M