ANDERSEN, K. Skou; SNEPPEN, Otto. Comparative Study of Myelography Filling Defects in Root Sheaths and Operative Findings in Cases of Suspected Lumbar Intervertebral Disc Herniation. Acta Orthopaedica, [S. l.], v. 39, n. 1-3, p. 312–320, 1968. DOI: 10.3109/17453676808989464. Disponível em: https://actaorthop.org/actao/article/view/30112. Acesso em: 16 may. 2026.