Bałabuszek, K., M. Pawlicka, A. Mroczek, A. Radzka, U. Fałkowska, and J. Bednarski. “New Methods of Varicose Veins Treatment”. Journal of Education, Health and Sport, vol. 8, no. 9, Aug. 2018, pp. 176-81, https://apcz.umk.pl/JEHS/article/view/5815.