Fazzari, Francesco, Gianluca Canton, Gioia Giraldi, Nicholas Falcioni, Susanna Clocchiatti, Nicholas Rasio, and Luigi Murena. “Avascular Necrosis of Humeral Head After Proximal Humerus Fracture: Comparison Between Classification Systems in Predicting Necrosis Risk”. Acta Biomedica Atenei Parmensis 94, no. S2 (June 23, 2023): e2023089. Accessed July 17, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/13871.