1. American Cancer Society. Cancer facts and figures. Atlanta: American Cancer Society; 2012.
2. Ries LAG, Melbert D, Krapcho M, et al., editors. SEER cancer statistics review, 1975–2005. Bethesda: National Cancer Institute; 2007. http://seer.cancer.gov/csr/1975_2005/ . Accessed 21 May 2013.
3. NCCN clinical practice guidelines in oncology. http://www.nccn.org/professionals/physician_gls/f_guidelines.asp#breast . Accessed 4 Sept 2013.
4. Rojas MP, Telaro E, Russo A, et al. Follow-up strategies for women treated for early breast cancer. Cochrane Database Syst Rev. 2005;1:CD001768.
5. Khatcheressian JL, Wolff AC, Smith TJ, et al.; American Society of Clinical Oncology. 2006 Update of the breast cancer follow-up and management guidelines in the adjuvant setting. J Clin Oncol. 2006;24:5091–7.