Introduction: 20th anniversary of the NMDP.
Weisdorf
Daniel
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University of Minnesota, Minneapolis, MN, USA.
D000846:Anniversaries and Special Events; D018380:Hematopoietic Stem Cell Transplantation; D006801:Humans; D009313:National Health Programs / Q000458:organization & administration; D012042:Registries; D014019:Tissue Donors / Q000600:supply & distribution*; D014481:United States