1. Ethics;Frankena,1973
2. Ethical dimensions in the health professions;Purtilo,1981
3. Principles of biomedical ethics;Beauchamp,1983
4. Principles of ethics;Beauchamp;J Dent Educ,1985
5. Bylaws, and Judicial Affairs, ADA principles of ethics and code of professional conduct;ADA Council on Ethics,1987