On giving preference to prior volunteers when allocating organs for transplantation.
D026686:Beneficence; D032982:Contracts; D004739:England; D006801:Humans; D016377:Organ Transplantation; D018579:Patient Selection; D026684:Personal Autonomy; D040841:Resource Allocation; D018570:Risk Assessment; D014019:Tissue Donors / Q000331:legislation & jurisprudence*; D009927:Tissue and Organ Procurement / Q000458:organization & administration*; D035761:Wedge Argument