1. The arguments concerning human dignity are developed in my Cloning and human dignity in The Cambridge Quarterly of Healthcare Ethics [in press]. The issues raised by cloning were discussed in a special issue of the Kennedy;Oxford University Press, Oxford 1992, especially ch,1994
2. Human embryo cloning reported;Science,1993
3. Viable offspring derived from fetal and adult mammalian cells;Wilmut, I.;Nature,1997
4. ArlidgeJ. The Guardian 1997 Feb 26: 6.
5. Radford T. The Guardian 1997 Feb 28: 1.