Bailey RJ, Barkun A, Brow J, et al. Consensus in endoscopy. Can J Gastroenterol 1996; 10:237-242.

Bricker BM. Industrial marketing and medical ethics. N Engl J Med 1989; 320:1690- 1692.

Canada. Health Protection Branch, Health and Welfare Canada. Code of good monitoring practice for clinical investigators. 1983.

CMA guidelines for drug-company supported CME. CMAJ 1986; 135:384A.

Davies IB, Grind IM, Pottage A, Turner P. Development of new drugs in man: a review. J Roy Soc Med 1986; 79:96-99.

DeDombal PT, Holt PR, Sidorov JJ. Ethics in gastroenterology: proceedings of a workshop meeting of the World Organisation of Gastroenterology held at St. George's House, Windsor Castle, Berkshire, England, 29 April - 2 May 1986. Leeds: University of Leeds Printing Service, 1986:21-24.

Duggan JM. Resource allocation and bioethics. Lancet 1989; 1:772-773.

Engler RL, Covell JW, Friedman PJ, Kitcher PS, Peters RM. Misrepresentation and responsibility in medical research. N Engl J Med 1987; 317:1383-1389.

Gibinski K. Ethics and training in digestive endoscopy. Endoscopy 1989; 21:232-233.

Grad MR. Human experimentation and informed consent. CMAJ 1984; 131:932-935.

Leaf A. The doctor's dilemma - and society's too. N Engl J Med 1984; 310:718-720.

MCann RM, Hall WJ, Groth-Juncker A. Comfort care for terminally ill patients. JAMA 1994; 272:1263-1266.

McGregor M. Pharmaceutical "generosity" and the medical profession. Ann RCPSC 1988; 21:289.

Mullen MA, Kohut N, Sam M, Blendis L, Singer PA. Access to adult liver transplantation in Canada: a survey and ethical analysis. CMAJ 1996; 154:337-342.

Omery A, Caswell D. A nursing perspective on the ethical issues surrounding liver transplantation. Heart and Lung 1988; 17:626-630.

Rawlins MD. Doctors and the drug makers. Lancet 1984; 2:276-278.

Reagan MD. Health care rationing: what does it mean? N Engl J Med 1988; 319:1149-1151.

Reagan MD. Physicians as gatekeepers: a complex challenge. N Engl J Med 1987; 317:1731-1733.

The Royal College of Physicians of London. The relationship between physicians and the pharmaceutical industry: a report of the Royal College of Physicians. J Roy Col Phy of London 1986; 20:235-241.

Sabesin SM, Williams JW, Evans LS. Ethical and economic issues. In: Maddrey WC (ed.), Transplantation of the liver. New York: Elsevier, 1988:331-343.

Sidorov JJ. Ethical dilemmas in gastroenterology. Med North Am 1995; 472-476.

Sidorov JJ. Ethics in gastrointestinal research. Scand J Gastroenterol 1988; 23(Suppl. 144):100-113.

Singer PA, Siegler M, Whitington RF, et al. Ethics of liver transplantation with living donors. N Engl J Med 1989; 321:620-621.

Sircus W. Ethics of diagnostic and therapeutic endoscopic procedures. Scand J Gastroenterol 1988; 23(Suppl. 144):105-106.

Thompson WG. The ethics of physician-pharmaceutical company relationships. CMAJ 1988; 129:835-836.

Williams JR. Human organ sales. Ann RCPSC 1985; 18:401-404.

Younger SJ, Allen M, Bartlet ET, et al. Psychosocial and ethical implications of organ retrieval. N Engl J Med 1985; 313:321-323.