Pantzar-Castilla, Evelina Hanna Sofia, Per Wretenberg, and Jacques Riad. “Knee Flexion Contracture Impacts Functional Mobility in Children With Cerebral Palsy With Various Degree of Involvement: A Cross-Sectional Register Study of 2,838 Individuals”. Acta Orthopaedica 92, no. 4 (June 4, 2021): 500. Accessed August 31, 2026. https://www.scandjms.sfulib10.publicknowledgeproject.org/index.php/actao/article/view/2025.