Prognostic impact of age in children and adolescents with acute lymphoblastic leukemia: data from the trials ALL-BFM 86, 90, and 95. - Möricke,A.; Zimmermann,M.; Reiter,A.; Gadner,H.; Odenwald,E.; Harbott,J.; Ludwig,WD.; Riehm,H.; Schrappe,M. (Klin Pädiatr, 2005)