HANSSON, Hans Edv.; HELLQREN, Erik Q. Some Experiences with Treatment of Collum Femoris Fractures by Sven Johansson’s Method. Acta Orthopaedica, [S. l.], v. 6, n. 1-4, p. 77–91, 1935. DOI: 10.3109/17453673508991336. Disponível em: https://actaorthop.org/actao/article/view/31315. Acesso em: 19 may. 2026.