Mensile–Sped. Abb. Post. –45%art. 2,comma20B,Legge662/96-FilialediPavia. Ilmittentechiedelarestituzionedeifascicolinonconsegnatiimpegnandosiapagareletassedovute hISSN 1592-8721 educational edition Volume 88 Supplement no. 6 April 2003 Published by the Ferrata-Storti Foundation, Pavia, Italy haematologica JournalofHematology s6 Emergencies in Hematology Milan, Italy April 11-12, 2003 GUEST EDITORS ENRICA MORRA AND FRANCESCO BAUDO