1. Prevalence of Selected Impairments, U.S.-1977;National Center for Health Statistics,1981
2. Spinal Cord Injuries;Guttmann,1976
3. The Costs of Motor Vehicle Related Spinal Cord Injuries;Smart,1976
4. Epidemiology of spinal cord injury;Kurtzke;Exp Neurol,1975
5. Survival of patients with injuries of the spinal cord;Burke;JAMA,1960