1. International Trends in Cancer Mortality in France, West Germany, Italy, Japan, England and Wales, and the United Statesa
2. Cartwright, R. A., McNally, R. J. Q., Rowland, D. J. and Thomas, J. (1997). The descriptive epidemiology of leukaemia and related conditions in parts of the United Kingdom 1984–1993. Leukaemia Research Fund.
3. Parkin, D. M., Muir, C. S., Whelan, S. L., Gao, Y. T., Ferlay, J. and Powell, J. (1992). Cancer Incidence in Five Continents, Volume VI. Lyon: IARC.