AIDS, hepatitis, and the national blood policy.
D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D000533:Altruism; D001782:Blood Donors; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006505:Hepatitis / Q000635:transmission; D006761:Hospitals; D006801:Humans; D014481:United States