Scaravilli, Gabriele, et al. “Preliminary Report in Treatment of Proximal Humeral Fracture With Closed Reduction and DOS External Fixation System: A Multicentric Study”. Acta Biomedica Atenei Parmensis, vol. 93, no. 2, May 2022, p. e2021494, https://doi.org/10.23750/abm.v93i2.11924.