Combined apophyseal and epiphyseal fixation of Ogden type IIIA/IV tibial tubercle avulsion fractures provides favorable stability compared to isolated apophyseal screw fixation - a biomechanical study - Peez, Christian; Zderic, Ivan; Richards, R. Geoff; Drenchev, Ludmil; Skulev, Hristo K.; Gueorguiev, Boyko; Kittl, Christoph; Raschke, Michael J.; Herbst, Elmar (European Journal of Trauma and Emergency Surgery: Official Publication of the European Society for Trauma and Emergency Surgery, 2025)