Kiapekos, Nikolaos, Eva Broström, Gunnar Hägglund, and Per Åstrand. “Primary Surgery to Prevent Hip Dislocation in Children With Cerebral Palsy in Sweden: A Minimum 5-Year Follow-up by the National Surveillance Program (CPUP)”. Acta Orthopaedica 90, no. 5 (June 18, 2019): 495–500. Accessed August 28, 2026. https://scandjms.sfulib10.publicknowledgeproject.org/index.php/actao/article/view/629.