WIBERG, Gunnar. Nordisk Ortopedisk Förening Nordic Orthopaedic Association 60Th Anniversary. Acta Orthopaedica, [S. l.], v. 50, n. 6, p. 609–611, 1979. DOI: 10.3109/17453677908991281. Disponível em: https://actaorthop.org/actao/article/view/28999. Acesso em: 8 may. 2026.