Martin, Carlos, Melchor Guillen, and Gonzalo Lopez. “Treatment of 2- and 3-Part Fractures of the Proximal Humerus Using External Fixation: A Retrospective Evaluation of 62 Patients”. Acta Orthopaedica 77, no. 2 (January 1, 2006): 275–278. Accessed May 17, 2026. https://actaorthop.org/actao/article/view/19166.