TY - JOUR AU - Ullmann, A J; Lipton, J H; Vesole, D H TI - Posaconazole or fluconazole for prophylaxis in severe graft-versus-host disease JO - N Engl J Med IS - 04 VL - 356 PY - 2007 DO - 10.1056/NEJMoa061098 L3 - PubMed-ID: 17251530 SP - 335 EP - 347 N1 - , et al. ER -