1. Parkin M. Startling Facts about Cancer in the 21st Century. Lecture at Medical Research Council. Pretoria, 26/04/02
2. Sitas F, Madhoo J, Wessie J. Incidence of Histologically diagnosed cancer in South Africa, 1993-1995. National Cancer Registry of South Africa. SAMR. 1998. Johannesburg
3. Somdyala NIM, Marasas WFO, Venter FS, Vismer HF. Cancer Pattern in four District of the Transkei region 1991-1995. SAMJ. 2003:93:144-148
4. Somdyala NIM, Cancer Surveillance a missing link in the health care delivery system of South Africa. MDS dissertation, University of the Free State, 2000.
5. Donegan, W. L., and Spratt, J. S.: Cancer of the Breast, 3rd ed. Philadelphia, W. B. Saunders, 1988.
6. Dupont, W. D., and Page, D. L.: Risk factors for breast cancer in women with proliferative breast disease. N. Engl. J. Med., 312:146, 1985.
7. Gail, M. H., Brinton, L. A., Byar, D. P., et al.: Projecting individualized probabilities of developing breast cancer for white females who are being examined annually. J. Natl. Cancer Inst. 81:1879, 1989.
8. Adekunle OO, Pandey SR, Mdondolo N.: Carcinoma of the breast in Umtata. Eastern Cape Health Research Conference, Umtata. 2002
9. Stepien AJ, Banach L, García MEJ. Laskai G.: Carcinoma of male breast in the histology based cancer registry, UGH. Eastern Cape Health Research Conference, East London. 2001
10. American Joint Committee on cancer: AJCC Cancer Staging Manual. 5th ed. Philadelphia, Pa: Lippincott-Raven; 1997: 171-80.
11. Makhoul I, Makhoul H, Harvey H, Souba W. Breast cancer. eMedicine.Com. Dic- 2003
12. Bellon JR, Come SE, Gelman RS, et al: Sequencing of chemotherapy and radiation therapy for patients with early stage breast cancer: updated results of a prospective randomized trial. Int J Radiat Oncol Biol Phys 2001; 51 (suppl 1): 2.
13. Blichert-Toft M: Axillary surgery in breast cancer management--background, incidence and extent of nodal spread, extent of surgery and accurate axillary staging, surgical procedures. Acta Oncol 2000; 39(3): 269-75.
14. Walker A. R. P., Van Oudtshoorn S.: Cancer outlook, any light at the end of the tunnel? S.A.M.J. 83:237, 1993