National transplant communications network.
D002102:Cadaver; D002170:Canada; D003201:Computers; D006650:Histocompatibility Testing; D006801:Humans; D007255:Information Services; D016030:Kidney Transplantation; D014019:Tissue Donors; D014181:Transplantation Immunology; D014184:Transplantation, Homologous; D014481:United States