© 2001 by Oxford University Press
Journal of the National Cancer Institute, Vol. 93, No. 2, 90,
January 17, 2001
© 2001 Oxford University Press
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International Data Comparisons: Caveat Emptor
Accurate international comparisons of cancer incidence and mortality can not only be tricky but can sometimes be impossible with the quality and quantity of cancer data often varying considerably from country to country.
Canada is among the few countries that maintains a population-based registry that records virtually all cases of cancer. Most countries maintain registries