KRAJEWSKI, Stanisław, KRAJEWSKA, Małgorzata, KUCHARCZUK-KOPYCIŃSKA, Magda and LITWINOWICZ, Aleksander. Hip joints mobility in patients with lumbosacral disc disorders. Journal of Education, Health and Sport. Online. 31 December 2016. Vol. 6, no. 13, pp. 127-134. [Accessed 7 October 2024].