The outcome of full-intensity and reduced-intensity conditioning matched sibling or unrelated donor transplantation in adults with Philadelphia chromosome-negative acute lymphoblastic leukemia in first and second complete remission

David I. Marks, Tao Wang, Waleska S. Pérez, Joseph H. Antin, Edward Copelan, Robert Peter Gale, Biju George, Vikas Gupta, Joerg Halter, H. Jean Khoury, Thomas R. Klumpp, Hillard M. Lazarus, Victor A. Lewis, Philip McCarthy, David A. Rizzieri, Mitchell Sabloff, Jeff Szer, Martin S. Tallman, Daniel J. Weisdorf