Erratum
Bone Marrow Transplantation (2007) 39, 253–254. doi:10.1038/sj.bmt.1705598
Two cases of progressive multifocal leukoencephalopathy after allogeneic hematopoietic cell transplantation and a review of the literature
M A Kharfan-Dabaja, E Ayala, J Greene, A Rojiani, F R Murtagh and C Anasetti

