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Other Works Consulted
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American College of Obstetricians and Gynecologists (2011). Breast cancer screening. ACOG Practice Bulletin No. 122. Obstetrics and Gynecology, 118: 372–382.
U.S. Preventive Services Task Force (2009). Screening for breast cancer. Available online: http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrca.htm.