1. Salley JJ, Zimmerman JL, Ball, MJ., eds. Dental informatics: strategic issues for the dental profession. Berlin: Springer Verlag, 1990.
2. This is adapted from the National Library of Medicine. Long Range Plan, Report of Panel 4: Medical Informatics. National Institutes of Health, 1986.
3. National Library of Medicine. GRATEFUL MED - User’s Guide, Version 5. 0. Bethesda, MD: U.S. Department of Health and Human Services, National Institutes of Health, 1990.
4. National Library of Medicine. Long Range Plan — Report of the Board of Regents. Bethesda: National Institutes of Health. 1987; p. 25.
5. Humphreys BL and Lindberg DAB. Building the unified medical language system. In: Kingsland LC, ed. Proceedings–the thirteenth annual symposium on computer applications in medical care. Washington. IEEE Computer society Press, 1989: p. 475–480.