NIEMINEN, Seppo; SATOKARI, Kauko. Classification of Medial Fractures of the Femoral Neck. Acta Orthopaedica, [S. l.], v. 46, n. 5, p. 775–781, 1975. DOI: 10.3109/17453677508989264. Disponível em: https://actaorthop.org/actao/article/view/29530. Acesso em: 4 may. 2026.