title: Requests, gifts, and obligations: the ethics of organ procurement.
mesh_terms: D000328:Adult; D000533:Altruism; D037921:Gift Giving; D006291:Health Policy; D018594:Human Body; D006801:Humans; D007258:Informed Consent; D007883:Legislation, Medical; D008875:Middle Aged; D028681:Moral Obligations; D018579:Patient Selection; D012935:Social Justice; D014019:Tissue Donors; D009927:Tissue and Organ Procurement; D014180:Transplantation; D035141:Voluntary Programs