Gemtuzumab ozogamicin in children with relapsed or refractory acute myeloid leukemia: a report by Berlin-Frankfurt-Münster study group oleh Naghmeh Niktoreh, Beate Lerius, Martin Zimmermann, Bernd Gruhn, Gabriele Escherich, Jean-Pierre Bourquin, Michael Dworzak, Lucie Sramkova, Claudia Rossig, Ursula Creutzig, Dirk Reinhardt, Mareike Rasche