Szmelcer, Beniamin, Martyna Lamtych, Adrian Zwolinski, Marta Lipka, Aleksandra Modlińska, Karolina Kubiak, Marlena Kontowicz, et al. 2019. “Sarcopenia As a Problem of Old Age - a Form of Rehabilitation”. Journal of Education, Health and Sport 9 (6):137-50. https://apcz.umk.pl/JEHS/article/view/6995.