Tarkowska, M., I. Głowacka-Mrotek, T. Nowikiewicz, A. Gastecka, J. Szymańska, W. Hagner, and W. Zegarski. “Assessment of Quality of Life and Selected Aspects of Physical, Psychological, Social, and Environmental Functioning in Patients Treated for Breast Cancer 5 Years After Breast-Conserving Surgery or Mastectomy”. Journal of Education, Health and Sport, vol. 9, no. 4, Apr. 2019, pp. 180-93, https://apcz.umk.pl/JEHS/article/view/6784.