1. Amir H, Kitinya JN, Parkin DM. A comparative study of carcinoma of the breast in an African population. East Afr Med J. 1994;71(4):215–8.
2. Ferlay J, International Agency for Research on Cancer.: GLOBOCAN 2000 cancer incidence, mortality, and prevalence worldwide. In: IARC cancerBase no 5. Lyon: IARCPress,; 2001: 1 CD-ROM.
3. Institute of Medicine (U.S.). Committee on Cancer Control in Low- and Middle-Income Countries., Sloan FA, Gelband H: cancer control opportunities in low- and middle-income countries. Washington, DC: National Academies Press; 2007.
4. Sasco AJ. Epidemiology of breast cancer: an environmental disease? APMIS. 2001;109(5):321–32.
5. Sasco AJ. Breast cancer and the environment. Horm Res. 2003;60(Suppl 3):50.