RYDEVIK, Björn. Spinal stenosis—conclusions. Acta Orthopaedica, [S. l.], v. 64, n. sup251, p. 81–82, 1993. DOI: 10.3109/17453679309160128. Disponível em: https://actaorthop.org/actao/article/view/21890. Acesso em: 6 jul. 2026.