Lewandowska, A., Ratuszek-Sadowska, D., Kuczma, M., Kuczma, W., Hoffman, J., & Hagner, W. (2018). Hand function improving in patients with cerebral palsy. Journal of Education, Health and Sport, 8(9), 1600–1608. Retrieved from https://apcz.umk.pl/JEHS/article/view/6104