Let's not opt out: kidney donation and transplantation.
D001926:Brain Death; D004992:Ethics, Medical; D005190:Family; D006801:Humans; D016030:Kidney Transplantation; D007883:Legislation, Medical; D014019:Tissue Donors; D009927:Tissue and Organ Procurement; D014184:Transplantation, Homologous; D006113:United Kingdom