HERNGREN, Bengt; MÖRK-PETERSEN, Flemming; BAUER, Mats. Uppsala screws or Hansson pins for internal fixation of femoral neck fractures?. Acta Orthopaedica, [S. l.], v. 63, n. 1, p. 41–46, 1992. DOI: 10.3109/17453679209154847. Disponível em: https://actaorthop.org/actao/article/view/21932. Acesso em: 18 may. 2026.