1. Altekruse SF, Kosary CL, Krapcho M, Neyman N, Aminou R, Waldron W, Ruhl J, Howlader N, Tatalovich Z, Cho H, Mariotto A, Eisner MP, Lewis DR, Cronin K, Chen HS, Feuer EJ, Stinchcomb DG, Edwards BK (eds) (2009) SEER Cancer Statistics Review, 1975–2007, National Cancer Institute. Bethesda
2. Horner MJ, Ries LAG, Krapcho M, Neyman N, Aminou R, Howlader N, Altekruse SF, Feuer EJ, Huang L, Mariotto A, Miller BA, Lewis DR, Eisner MP, Stinchcomb DG, Edwards BK (eds) (2009) SEER Cancer Statistics Review, 1975–2006, National Cancer Institute. Bethesda. http://seer.cancer.gov/csr/1975_2006/ , based on November 2008 SEER data submission, posted to the SEER web site
3. Ries, LAG, Eisner MP, Kosary CL (2002) SEER Cancer Statistics Review, 1973–1999. National Cancer Institute, Bethesda. http://seer.cancer.gov/csr/1973_1999/ . Accessed 25 Aug 2010
4. Yancik R, Ries LG, Yates JW (1989) Breast cancer in aging women. A population-based study of contrasts in stage, surgery, and survival. Cancer 63:976–981
5. American Cancer Society Breast Cancer Facts & Figures 2009–2010. Atlanta, GA: 2010. www.cancer.org/acs/groups/content/@nho/documents/document/f861009final90809pdf.pdf . Accessed 25 Aug 2010