1. Risky business: using necessarily imprecise casualty counts to estimate occupational risks for HIV-1 infection;Beekmann;Infect Control Hosp Epidemiol,1990
2. Update: acquired immunodeficiency syndrome and human immunodeficiency virus infection among health-care workers;Centers for Disease Control;MMWR,1988
3. Update: universal precautions for prevention of transmission of human immunodeficiency virus, hepatitis B virus, and other bloodborne pathogens in health care settings;Centers for Disease Control;MMWR,1988
4. Recommended infection control policies for patients with human immunodeficiency virus infection: an update;Gerberding;N Engl J Med,1986