1. 1Report on the Committee on the Ethics of Gene Therapy, January 1992.: 1-41. HMSO. London.
2. 2Third Annual Report: January 1996-December 1996, Gene Therapy Advisory Committee, Health Departments of the United Kingdom, London, June 1997.: 1-20.
3. 31995. Gene Therapy Advisory Committee Guidance on Making Proposals to Conduct Gene Therapy Research on Human Subjects. Department of Health, United Kingdom.
4. 4Science and Technology Committee. 1995. Third Report on Human Genetics: The Science and Its Consequences. HMSO. London.
5. 5Ledley, F.D., B. Brody, C.A. Kozinetz & S.G. Mize. 1992. The challenge of follow-up for clinical trials of somatic gene therapy. Hum. Gene Ther.3:657-663.