Maryczkanicz, Joanna, and Katarzyna Weber-Nowakowska. “Relations Between the Occurrence of Hypermobility and Gender in the Group of Children Aged 6 - 10 Years”. Journal of Education, Health and Sport 8, no. 1 (January 31, 2018): 163–172. Accessed May 28, 2024. https://apcz.umk.pl/JEHS/article/view/5228.