HANSON, Robert. Epiphysial Necrosis of the Caput Femoris (Manuscript not received). Acta Orthopaedica, [S. l.], v. 10, n. 1-4, p. 331–337, 1939. DOI: 10.3109/17453673909149512. Disponível em: https://actaorthop.org/actao/article/view/31254. Acesso em: 16 may. 2026.