Corticosteroid-dependent reduction of leukocyte count in blood as a prognostic factor in acute lymphoblastic leukemia in childhood (therapy study ALL-BFM 83). - Riehm ,H.; Reiter ,A.; Schrappe ,M.; Berthold ,F.; Dopfer ,R.; Gerein ,V.; Ludwig ,R.; Ritter ,J.; Stollmann ,B.; Henze ,G. (Klin Pädiatr, 1987)