Chuchla, Magdalena, Joanna Dudek, Sławomir Snela, and Rafał Piasek. 2009. “Comparison of Radiological Image of Hip Joint With Possibilities of Walking in Patients With Infantile Ce- Rebral Palsy After Operations of Multilevel Soft-Tissue Release”. European Journal of Clinical and Experimental Medicine 7 (1):37–45. https://journals.ur.edu.pl/ejcem/article/view/13205.