David's death unusual as his life.
D001853:Bone Marrow; D002648:Child; D009358:Congenital, Hereditary, and Neonatal Diseases and Abnormalities; D003643:Death; D006805:Human Experimentation; D006801:Humans; D007153:Immunologic Deficiency Syndromes; D016377:Organ Transplantation; D005791:Patient Care; D012106:Research; D012306:Risk; D018570:Risk Assessment; D036302:Therapeutic Human Experimentation
Biomedical and Behavioral Research; David X; Popular Approach/Source; Professional Patient Relationship