ZYGMUNT, Stefan C. Rheumatoid arthritis of the cervical spine. Acta Orthopaedica, [S. l.], v. 63, n. sup247, p. 60–60, 1992. DOI: 10.3109/17453679209155042. Disponível em: https://actaorthop.org/actao/article/view/22104. Acesso em: 4 may. 2026.