Young EY, Ahmadinia K, Bajwa N, Ahn NU. Spine J. 2013 Oct;13(10):1253-8. doi: 10.1016/j.spinee. 2013.05.052. Epub 2013 Jul 18.
Departamento de Ortopedia, Faculdade de Medicina da Case Western Reserve University e University Hospitals Case Medical Center, 1585 Rydalmount Rd, Cleveland Heights, OH 44118, EUA.