STOCKA, Joanna, STOCKA, Barbara, SZULC–GACKOWSKA, Małgorzata, SIMINSKA, Joanna, GRZYB, Sebastian, SZOSTAK, Mateusz and NOWACKA, Krystyna. Physical activity cardio-surgical patients. Journal of Education, Health and Sport. Online. 26 January 2017. Vol. 7, no. 1, pp. 147-152. [Accessed 2 July 2024].