SPAK, Ivar. Humeral Shaft Fractures: Treatment with a Simple Hand Sling. Acta Orthopaedica, [S. l.], v. 49, n. 3, p. 234–239, 1978. DOI: 10.3109/17453677809005757. Disponível em: https://actaorthop.org/actao/article/view/29107. Acesso em: 15 may. 2026.