HOLMBERG, Sven; MATTSSON, Per; DAHLBORN, Mats; ERSMARK, Hans. Fixation of 220 femoral neck fractures: A prospective comparison of the Rydell nail and the LIH hook pins. Acta Orthopaedica, [S. l.], v. 61, n. 2, p. 154–157, 1990. DOI: 10.3109/17453679009006510. Disponível em: https://actaorthop.org/actao/article/view/22381. Acesso em: 23 may. 2026.