Murena L, Ratti C, Maritan G, Rasio N, Grandesso M, Barbati G, et al. Predictive value of valgus head-shaft angle in identifying Neer 4-part proximal humerus fractures. A radiographic and CT-scan analysis of 120 cases . Acta Biomed [Internet]. 2020 May 30 [cited 2024 Jul. 27];91(4-S):217-23. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/9717