P. Okoński, P. Misztal-Okońska, M. Okoński, P. Książek, and M. Goniewicz, “Comparison of two treatment methods of congenital clubfoot in the orthopaedists’ opinion”, Pol J Public Health, vol. 127, no. 1, pp. 32–36, Jun. 2017, doi: 10.1515/pjph-2017-0007.