Maluta T, Amarossi A, Dorigotti A, Bagnis F, Samaila EM, De Luca L, et al. External fixation can be an option for proximal humerus fractures Neer 3-4. Acta Biomed [Internet]. 2020 Dec. 30 [cited 2024 Dec. 15];91(14-S):e2020017. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/10979