Gustalik, J., D. Bartusik-Aebisher, D. Aebisher, and E. Kaznowska. “Imaging methods of early detection and screening for breast cancer. A review”. European Journal of Clinical and Experimental Medicine, vol. 17, no. 2, June 2019, pp. 142–145, doi:10.15584/ejcem.2019.2.6.