ELMERSON, Stefan; ANDERSSON, Gunnar B. J.; IRSTAM, Lars; ZETTERBERG, Carl. Internal fixation of femoral neck fracture: No difference between the Rydell four-flanged nail and Gouffon’s pins. Acta Orthopaedica, [S. l.], v. 59, n. 4, p. 372–376, 1988. DOI: 10.3109/17453678809149384. Disponível em: https://actaorthop.org/actao/article/view/22757. Acesso em: 19 may. 2026.