The prognostic significance of early treatment response in pediatric relapsed acute myeloid leukemia: results of the international study Relapsed AML 2001/01 oleh Ursula Creutzig, Martin Zimmermann, Michael N. Dworzak, Brenda Gibson, Rienk Tamminga, Jonas Abrahamsson, Shau-Yin Ha, Henrik Hasle, Alexey Maschan, Yves Bertrand, Guy Leverger, Christine von Neuhoff, Bassem Razzouk, Carmelo Rizzari, Petr Smisek, Owen P. Smith, Batia Stark, Dirk Reinhardt, Gertjan L. Kaspers