Bone marrow transplantation.
D000741:Anemia, Aplastic / Q000628:therapy; D001853:Bone Marrow / Q000276:immunology; D016026:Bone Marrow Transplantation; D006086:Graft vs Host Disease / Q000209:etiology; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000628:therapy; D007938:Leukemia / Q000628:therapy; D014019:Tissue Donors