The blood supply in 1984.
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Simon
D015492:AIDS Serodiagnosis; D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control / Q000635:transmission; D001771:Blood Banks / Q000592:standards*; D017848:Blood-Borne Pathogens; D003140:Communicable Disease Control; D006801:Humans; D007239:Infections / Q000635:transmission*; D012307:Risk Factors; D065227:Transfusion Reaction; D014481:United States