GJERTSEN, Jan-Erik; ENGESÆTER, Lars B; FURNES, Ove; HAVELIN, Leif Ivar; STEINDAL, Kjersti; VINJE, Tarjei; FEVANG, Jonas M. The Norwegian Hip Fracture Register: Experiences after the first 2 years and 15,576 reported operations. Acta Orthopaedica, [S. l.], v. 79, n. 5, p. 583–593, 2008. DOI: 10.1080/17453670810016588. Disponível em: https://actaorthop.org/actao/article/view/18947. Acesso em: 20 jun. 2026.