KARAHARJU, Erkki O.; HANNUKSELA, Matti. Possible Syphilitic Spondylitis. Acta Orthopaedica, [S. l.], v. 44, n. 3, p. 289–295, 1973. DOI: 10.3109/17453677308988695. Disponível em: https://actaorthop.org/actao/article/view/29706. Acesso em: 27 apr. 2026.