GRÖNBLAD, Mats. Spinal disorders. Acta Orthopaedica, [S. l.], v. 69, n. sup281, p. 32–37, 1998. DOI: 10.1080/17453674.1998.11744791. Disponível em: https://actaorthop.org/actao/article/view/20687. Acesso em: 29 apr. 2026.