American College of Obstetricians and Gynecologists (2011). Breast cancer screening. ACOG Practice Bulletin No. 122. Obstetrics and Gynecology, 118: 372–382.
Other Works Consulted
American Cancer Society (2009). Prevention and Early Detection: American Cancer Society Guidelines for the Early Detection of Cancer. Atlanta: American Cancer Society. Available online: http://www.cancer.org/docroot/PED/content/ped_2_3X_ACS_Cancer_Detection_Guidelines_36.asp.
U.S. Preventive Services Task Force (2009). Screening for breast cancer. Available online: http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrca.htm.