1. Risky Business: Using Necessarily Imprecise Casualty Counts to Estimate Occupational Risks for HIV-1 Infection
2. Census/Equal Employment Opportunity File (1980): Census Data for San Francisco-Oakland, California. Civilian labor force 16 years, and over by race/ethnicity within occupation, 1980.
3. Department of Labor, Occupational Safety and Health Administration (1989): Occupational exposure to bloodborne pathogens; proposed rule and notice of hearing. Federal Register 54 (May 30):23042–139.