1. Seven out of ten visit dentist annually;ADA News,1990
2. Occupational Safety and Health Administration. Standard, Occupational exposure to bloodborne pathogens. 1030 Federal Register: 64004–64182(1991) (codified at 29 CFR 1910).
3. Recommendations for preventing transmission of human immunodeficiency virus and hepatitis B virus to patients during exposure-prone invasive procedures;MMWR,1991
4. The Public Health and Welfare Act, 42 USC §300, ee-2(1991).
5. Infection control recommendations for the dental office and dental laboratory;JADA,1996