1. Kurzweil, R. The age of intelligent machines. Cambridge (MA), London (England), The MIT Press 1990; p. 13.
2. Brooks, S.L. Survey of compliance with American Heart Association guidelines for prevention of bacterial endocarditis. JADA 1980; 101: 41–43.
3. Mayo, C.H. Quoted in: Proceedings of the Staff Meetings of the Mayo Clinic. 28 Sep 1927;2(39):233.
4. Morris, A.L., Bohannon, H.M. Assessment of private dental practice: implications for dental education. J Dent Educ 1987; 51: 661–667.
5. Neidel, E. On the brink — Will dental education be ready for the future? J Dent Educ 1990; 54: 564–566.