Aleksander-Szymanowicz, P., I. Oleś, K. Filar-Mierzwa, J. Grapa, and A. . Bac. “Effect of Shock Wave Therapy on Pain and Daily Functioning in Patients With Heel Spurs”. Health Promotion & Physical Activity, vol. 18, no. 1, June 2022, pp. 24-31, doi:10.55225/hppa.386.