BRORSON, Stig. Perspective: The unstable concept of “stability” in osteoporotic 2-part proximal humerus fractures. Acta Orthopaedica, [S. l.], v. 96, p. 569–573, 2025. DOI: 10.2340/17453674.2025.44266. Disponível em: https://actaorthop.org/actao/article/view/44266. Acesso em: 14 may. 2026.