WANG, Y.; LI, C.; LIU, L.; QI, L. Halo-pelvic traction for extreme lumbar kyphosis: 3 rare cases with a completely folded lumbar spine. Acta Orthopaedica, [S. l.], v. 92, n. 1, p. 9–14, 2020. DOI: 10.1080/17453674.2020.1824170. Disponível em: https://scandjms.sfulib10.publicknowledgeproject.org/index.php/actao/article/view/372. Acesso em: 27 aug. 2026.