K. Jakubowska, D. Nalepa, P. Kula, P. Chruściel, A. Kościołek, and P. Dzyr, “Analysis of issues related to spinal pain syndromes in professionally active nurses”, Piel21w, vol. 19, no. 2(71), pp. 88–94, Jun. 2020, doi: 10.2478/pielxxiw-2020-0014.