FALCH, Jan A.; ILEBEKK, Arnfinn; SLUNGAARD, Ulf. Epidemiology of hip fractures in Norway. Acta Orthopaedica, [S. l.], v. 56, n. 1, p. 12–16, 1985. DOI: 10.3109/17453678508992970. Disponível em: https://actaorthop.org/actao/article/view/23184. Acesso em: 20 may. 2026.