Outcome of children with multiply relapsed B-cell acute lymphoblastic leukemia: a therapeutic advances in childhood leukemia & lymphoma study.

Sun W, Malvar J, Sposto R, Verma A, Wilkes JJ, Dennis R, Heym K, Laetsch TW, Widener M, Rheingold SR, Oesterheld J, Hijiya N, Sulis ML, Huynh V, Place AE, Bittencourt H, Hutchinson R, Messinger Y, Chang B, Matloub Y, Ziegler DS, Gardner R, Cooper T, Ceppi F, Hermiston M, Dalla-Pozza L, Schultz KR, Gaynon P, Wayne AS, Whitlock JA