UDÉN, Alf; BRISMAR, Harald. Pain drawing in lumbar disc hernia. Acta Orthopaedica, [S. l.], v. 68, n. 2, p. 182–182, 1997. DOI: 10.3109/17453679709004006. Disponível em: https://actaorthop.org/actao/article/view/20781. Acesso em: 24 may. 2026.