Mujagić, Svjetlana, et al. “The Influence of Breast Density on the Sensitivity and Specificity of Ultrasound and Mammography in Breast Cancer Diagnosis”. Acta Medica Academica, vol. 40, no. 2, Sept. 2011, pp. 132-9, https://www.ama.ba/index.php/ama/article/view/112.