1. Fleischmann, R. D. et al. Science 269, 538–540 (1995).
2. Blattner, F., Daniels, D. L., Burland, V. D., Plunkett, G. & Chang, S. in The Chromosome (eds Heslop-Harrison, J. S. & Flavell, R. B.) 43–59 (ßios, Oxford, 1993).
3. Devine, K. Trends Biotechn. 13, 210–216 (1995).
4. Oliver, S. G., James, C. M., Gent, M. E. & Indge, K. J. in The Chromosome (eds Heslop-Harrison, J. S. & Flavell, R. B.) 233–248 (ßios, Oxford, 1993).
5. Sulston, J. et al. Nature 356, 37–41 (1992).