1. US Department of Health and Human Services. Oral health in America: a report of the surgeon general. US Department of Health and Human Services, National Institute of Dental and Craniofacial Research, National Institutes of Health, Rockville, MD, 2000.
2. US Department of Health and Human Services (DHHS): National Center for Health Statistics. Third national health and nutrition examination survey, 1988–1994, NHANES III Examination Data File (CD-ROM). Public use data file documentation number 76200. Centers for Disease Control and Prevention, Hyattsville, MD, 1996.
3. Baron HJ. Research goals of Johnson & Johnson Dental Care Report, 1988.
4. Institutional vision;Willerson,2002
5. Dental disease and risk of coronary heart disease and mortality;DeStefano;BMJ,1993