1. Colton CL. The history of fracture treatment. In: Browner BD, Jupiter JB, Levine AM, Trafton PG, editors. Skeletal trauma. 3rd ed. Philadelphia: Saunders; 2003. p. 3e28.
2. Filler AG. A historical hypothesis of the first recorded neurosurgical operation: Isis, Osiris, Thoth, and the origin of the djed cross. Neurosurg Focus. 2007;23:E6.
3. Gabriel RA, Metz KS. Contributions in military studies: a history of military medicine. New York: Greenwood Press; 1992.
4. Goodrich JT. History of spine surgery in the ancient and medieval worlds. Neurosurg Focus. 2004;16:E2.
5. Kumar K. Spinal deformity and axial traction. Historical perspective. Spine. 1996;21:653e5.