Scaravilli, G. et al. 2022. Preliminary report in treatment of proximal humeral fracture with closed reduction and DOS external fixation System: a multicentric study. Acta Biomedica Atenei Parmensis. 93, 2 (May 2022), e2021494. DOI:https://doi.org/10.23750/abm.v93i2.11924.