AIDS: universal precautions. A new approach for uncertain times.
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D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D001826:Body Fluids; D003428:Cross Infection / Q000517:prevention & control*; D005932:Gloves, Surgical; D006235:Hand Disinfection; D006801:Humans; D009339:Needles