1. Alexander RD (1987) The biology of moral system. De Gruyter, New York, pp 153–161
2. Anderson WF (1972) Genetic therapy. In: Hamilton (ed) (1972), pp 118–119
3. Anderson WF (1989) Gene therapy. In: Evans MI, Fletcher JC, Dixler Ao, Schulman JD (eds) Fetal diagnosis and therapy; science, ethics, and the law. Lippincott, Philadelphia, pp 421–430
4. Anderson WF (in press) Human gene therapy. J Med Philos
5. Anderson WF, Fletcher JC (1980) Gene therapy: When is it ethical to begin? N Engl J Med 303:1293–1297