Outcomes after induction failure in childhood acute lymphoblastic leukemia. by Schrappe, M, Hunger, S, Pui, C, Saha, V, Gaynon, P, Baruchel, A, Conter, V, Otten, J, Ohara, A, Versluys, AB, Escherich, G, Heyman, M, Silverman, L, Horibe, K, Mann, G, Camitta, B, Harbott, J, Riehm, H, Richards, S, Devidas, M, Zimmermann, M