1. Possible transmission of human immunodeficiency virus to a patient during an invasive dental procedure;Centers for Disease Control;MMWR,1990
2. Update: Transmission of HIV infection during an invasive dental procedure—Florida;Centers for Disease Control;MMWR,1991
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4. Absence of HIV transmission from an infected orthopedic surgeon;Fordham von Reyn;JAMA,1993
5. Human immunodeficiency virus type I infection in homosexual men who remain seronegative for prolonged periods;Imagawa;N Engl J Med,1989