Intra- and interobserver agreement on the Oestern and Tscherne classification of soft tissue injury in periarticular lower-limb closed fractures. Colomb Med [Internet]. 2014 Dec. 28 [cited 2025 Dec. 18];45(4):173-8. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/1476