JOHNSSON, Karl-Erik; WILLNER, Stig; PETTERSSON, Holger. Analysis of Operated Cases with Lumbar Spinal Stenosis. Acta Orthopaedica, [S. l.], v. 52, n. 4, p. 427–433, 1981. DOI: 10.3109/17453678109050123. Disponível em: https://actaorthop.org/actao/article/view/28858. Acesso em: 7 may. 2026.