Owens RK 2º, Crawford CH 3º, Djurasovic M, Canan CE, Burke LO, Bratcher KR, McCarthy KJ, Carreon LY. Spine (Phila Pa 1976). 2012 Nov 28. [Epub ahead of print]
Norton Leatherman Spine Center, 210 East Gray Street, Suite 900, Louisville, KY 40202, EUA.