LINDEQUIST, Stig; MALMQVIST, Bengt; ULLMARK, Gösta. Fixation of femoral neck fracture: Prospective comparison of von Bahr screws, Gouffon screws, and Hessel pins. Acta Orthopaedica, [S. l.], v. 60, n. 3, p. 293–298, 1989. DOI: 10.3109/17453678909149280. Disponível em: https://actaorthop.org/actao/article/view/22580. Acesso em: 23 apr. 2026.