TY - JOUR AU - Ljungman, P; Cordonnier, C; Einsele, H TI - Vaccination of hematopoietic cell transplant recipients JO - Bone Marrow Transplant VL - 44 PY - 2009 DO - 10.1038/bmt.2009.263 L3 - PubMed-ID: 19861986 SP - 521 EP - 526 N1 - et al. ER -