EMNÉUS, Hans; STENRAM, Unne; BAECKLUND, Johannes. An X-Ray Spectrographic Investigation of the Soft Tissue Around Titanium and Cobalt Alloy Implants. Acta Orthopaedica, [S. l.], v. 30, n. 1-4, p. 226–236, 1961. DOI: 10.3109/17453676109149543. Disponível em: https://actaorthop.org/actao/article/view/30542. Acesso em: 19 may. 2026.