ELSAGIER, M.; MAHMOUD, M. The Effect of Calcar Screw Use in Fractures of the Proximal Humerus. مجلة البحوث الأكاديمية, [S. l.], v. 29, n. عدد خاص, p. 10–17, 2025. Disponível em: https://lam-journal.ly/index.php/jar/article/view/1255. Acesso em: 17 2025.