1. Emery, A. E. H. (1976). Methodology in Medical Genetics: an Introduction to Statistical Methods. Churchill Livingstone, Edinburgh
2. Emery, A. E. H. (1979). Elements of Medical Genetics. Churchill Livingstone, Edinburgh
3. Nora, J. J., and Fraser, F. C. (1981). Medical Genetics: Principles and Practice. Lea and Fibiger, Philadelphia
4. Albano, W. A., Lynch, H. T., Recabaren, J. A., et al. (1981). Cancer, 47, 2113–8
5. Alderson, M. R. (1982). Prevention of Cancer, Arnold, London, 33–4