1. Barber, B., 1976, The ethics of experimentation with human subjects,Sci. Am. 234:346
2. Barber, B., and Lally, J. J., Makarushka, J. L., Sullivan, D. 1973, Research on Human Subjects: Problems of Social Control in Medical Experimentation, Russell Sage Foundation, New York.
3. Beecher, H. K., 1966, Ethics and clinical research, N. Engl. J. .Med 274:1345.
4. Branson, R., 1977, Prison research: National commission says “no, unless…” Hastings Cent. Rep. 7:15.
5. Canterburyvs. Spence, 1972, No. 22099, U.S. Court of Appeals, District of Columbia Circ., Fed Rep 464 (2nd Series):772–796.