1. Shaw de Paredes E: Radiographic breast anatomy: Radiologic signs of breast cancer, in Haus AG, Yaffe MJ (eds): Syllabus: A Categorical Course in Physics-Technical Aspects of Breast Imaging (ed 3). Oak Brook, IL, RSNA, 1994, pp 35–46
2. Yaffe MJ, Jennings R, Fahrig R, et al: X-ray spectral considerations for mammography, in Haus AG, Yaffe MJ (eds): Syllabus: A Categorical Course in Physics-Technical Aspects of Breast Imaging (ed 3). Oak Brook, IL, RSNA, 1994, pp 63–74
3. Byng JW, Boyd NF, Fishell E, et al: The quantitative analysis of mammographic densities. Phys Med Biol 39:1629–1638, 1994
4. Leinster SJ, Walsh PV, Whitehouse GH, et al: Factors associated with mammographic parenchymal patterns. Clin Radiol 39:252–256, 1988
5. Saftlas AF, Hoover RN, Brinton LA, et al: Mammographic parenchymal patterns as indicators of breast cancer risk. Cancer 67:2833–2838, 1991