1. American Spinal Injury Association.Reference Manual for the International Standards for Neurological Classification of Spinal Cord Injury.Chicago, IL: American Spinal Injury Association; 2003.
2. American Spinal Injury Association/International Medical Society of Paraplegia.International Standards for Neurological and Functional Classification of Spinal Cord Injury Patients (Revised).Chicago, IL: American Spinal Injury Association; 1992.
3. American Spinal Injury Association/International Medical Society of Paraplegia.International Standards for Neurological and Functional Classification of Spinal Cord Injury Patients.Chicago, IL: American Spinal Injury Association; 1996.
4. American Spinal Injury Association/International Medical Society of Paraplegia.International Standards for Neurological and Functional Classification of Spinal Cord Injury Patients.Chicago, IL: American Spinal Injury Association; 2000.
5. American Spinal Injury Association.Reference Manual for the International Standards for the Classification of Spinal Cord Injury.Chicago, IL: American Spinal Injury Association, 1994.