1. National Cancer Institute of Canada: Canadian cancer statistics (2006),
http://www.cancer.org/acs/groups/cid/documents/webcontent/003090-pdf.pdf
2. P. Skaane, K. Engedal, A. Skjennald, Interoobserver variation in the interpretation of breast imaging. Acta Radiol. 38, 358–366 (1995)
3. I. Larrabide, A.A. Novotny, R.A. Feijoo, E. Taroco, A medical image enhancement algorithm based on topological derivative and anisotropic diffusion. Paper presented at the 26th iberian latin-american congress on computational methods in engineering, Guarapari, Espırito Santo, Brazil, 2005
4. K. Panetta, Y. Zhou, S. Agaian, H. Jia, Nonlinear unsharp masking for mammogram enhancement. IEEE Trans. Inf Technol. Biomed. 15(6), 918–928 (2011)
5. J. Tang, R.M. Rangayyan, J. Xu, I.E. Naqa, Y. Yang, Computer- ided detection and diagnosis of breast cancer with mammography: recent advances. IEEE Trans. Inf Technol. Biomed. 13(2), 236–251 (2009)