Roszak, Magdalena, and Katarzyna Weber-Nowakowska. “The Occurrence of Defects in the Lower Limbs in Children With Polyarticular Hypermobility”. Journal of Education, Health and Sport 8, no. 1 (January 31, 2018): 139–147. Accessed July 17, 2024. https://apcz.umk.pl/JEHS/article/view/5240.