1. The Merck manual of geriatrics;Abrams,1990
2. Outline of orthopaedics;Adams,1990
3. Practical guide to the care of the pediatric patient;Alario,1997
4. Reduction and fusion of fracture of the odontoid process;Alexander;J Neurosurg,1969
5. A mechanistic classification of closed indirect fractures and dislocations of the lower cervical spine;Allen;Spine,1982