1. American Medical Association (1994). Code of Medical Ethics. Chicago: American Medical Association.
2. Callahan, D. (1992). “When Self-Determination Runs Amok”, in Tom L. Beauchamp & LeRoy Walters (eds.) Contemporary Issues in Bioethics. Belmont, California: Wadsworth Publishing Company, 1994.
3. Chan, H. M. (1996). “Levels of Explanation: Complexity and Ecology”. In Barbara Gorayska and Jacob L. Mey (eds.), Cognitive Technology: In Search of a Humane Interface, Amsterdam: Elsevier Science.
4. Chan, H. M. (1999). “Sharing Death and Dying”, paper presented at the International Conference on Applied Ethics, organized by New Asia College, Faculty of Medicine and Department of Philosophy, Chinese University of Hong Kong, Dec 1999.
5. Chan, H. M. (2001). “Euthanasia or Terminal Care?”, in R Z Qiu (ed.) Bioethics: Asian Perspectives (Philosophy and Medicine Series), Dordrecht, Netherlands: Kluwer Academic Publishers, 2001.