Debate over the gift relationship. Comments on Titmuss-Anderson-Surgenor debate over The Gift Relationship.
D001782:Blood Donors; D001803:Blood Transfusion; D006506:Hepatitis A / Q000453:epidemiology; D006801:Humans; D009042:Motivation; D011329:Prisoners; D012945:Social Values; D012959:Socioeconomic Factors; D014481:United States