CHUDZIK, Robert, JAROSZ-CHUDZIK, Katarzyna, GOŁĘBIOWSKA, Maria, GOŁĘBIOWSKA, Beata and KULCZYŃSKI, Marcin. New possibilities in Pectus Excavatum. Journal of Education, Health and Sport. Online. 31 July 2018. Vol. 8, no. 7, pp. 562-568. [Accessed 26 December 2024].