Hołowczuk, M., D. Janeczko, A. Orzeł, B. Klatka, M. Terpiłowski, and H. Piecewicz-Szczęsna. “The Use of Tamoxifen in the Treatment and Prevention of Breast Cancer”. Journal of Education, Health and Sport, vol. 9, no. 6, June 2019, pp. 163-76, https://apcz.umk.pl/JEHS/article/view/7003.