Szpiech, K., P. Gierszon, A. Szpiech, M. Kozioł, and R. J. Łuczyk. “Non-Surgical Methods for the Correction of the Hump and the Tip of the Nose”. Journal of Education, Health and Sport, vol. 8, no. 8, Aug. 2018, pp. 1053-60, https://apcz.umk.pl/JEHS/article/view/5987.