title: The sobering perspective.
authors: P
authors: P
authors: Jacobs
authors: L
authors: L
authors: Wood
mesh_terms: D016026:Bone Marrow Transplantation; D006086:Graft vs Host Disease / Q000517:prevention & control; D006650:Histocompatibility Testing / Q000379:methods; D006801:Humans; D009927:Tissue and Organ Procurement; D014184:Transplantation, Homologous