1. Curado MP, Edwards B, Shin HR et al (2007) Cancer incidence in five continents, vol IX. International Agency for Research on Cancer (IARC scientific publication no. 160), Lyon, France. http://www-dep.iarc.fr/
2. Peggy P (2008) “Westernizing” women’s risks? Breast cancer in lower-income countries. N Engl J Med 358:213–216
3. Boyle P, Levin B (2008) World cancer report, World Health Organisation. International Agency for Research on Cancer, pp 412–417. Available at http://www.iarc.fr/en/publications/pdfs-online/wcr/2008/index.php . Accessed 7 Jan 2011
4. Hoffman M, De Pinho H, Cooper D et al (2000) Breast cancer incidence and determinants of cancer stage in the Western Cape. S Afr Med J 90:1212–1216
5. Vorobiof D, Sitas F, Vorobiof G (2001) Breast cancer incidence in South Africa. J Clin Oncol 19(18 Suppl):125s–127s