Umbilical cord blood transplantation.
D016026:Bone Marrow Transplantation; D016208:Databases, Factual; D005060:Europe; D005312:Fetal Blood; D018380:Hematopoietic Stem Cell Transplantation / Q000379:methods*; D006650:Histocompatibility Testing; D006801:Humans; D007938:Leukemia / Q000628:therapy*; D009927:Tissue and Organ Procurement