1. American Cancer Society 2005 What are the risk factors for breast cancer http:www.cancer.orgdoc.rootCRIcontentCRI_2_4_2X_What_are_the_risk_factors_forbreastcancer
2. American College of Radiology 2006 BI-RADS assessment categories. http:acr.orgls_acrbin.asp3CID
3. Initial and repeat mammography screening in low income multi-ethnic populations in Los Angeles;Bastani;Cancer Epidemiology, Biomarkers and Prevention,1995
4. Centers for Disease Control and Prevention 2002 Healthy people 2010. http:www.cdc.govnchshphome.HtmJea;tju20People202010
5. Review paper: Coding systems in health care;Cimino;Methods of Information in Medicine,1996