Guthrie, K.A. and Yong , M. and Frieze, D. and Corey, L. and Fredricks, D.N. (2010) The Impact of a Change in Antibacterial Prophylaxis from Ceftazidime to Levofloxacin in Allogeneic Hematopoietic Cell Transplantation. Bone Marrow Transplantation, 45 (4). pp. 675-681. ISSN 0268-3369