1. Code of Federal Regulations. TITLE 45 PUBLIC WELFARE: Department of Health and Human Services, PART 46: PROTECTION OF HUMAN SUBJECTS 70 FR 36328 2005 http://www.hhs.gov/ohrp/documents/OHRPRegulations.pdf
2. Applying evidence standards to rehabilitation research;Johnston;Am J Phys Med Rehabil,2006
3. U.S. Department of Education The Interagency Committee on Disability Research: Report to Congress on Physical Rehabilitation Research, 2006 http://www.aapmr.org/zdocs/hpl/icdr07.pdf
4. As reported in Hootman JM, Brault MW, Helmick CG, Theis KA, Armour BS. Prevalence and most common causes of disability among adults-United States, 2005;U.S. Census Bureau, 2004 Survey of Income and Program Participation, Wave 5, June- September 2005;MMWR,2009
5. NIH Office of Extramural Research NIH Research Project Grants Success Rates of Applications by Medical School Department Name Fiscal Years 2008-1999 http://report.nih.gov/UploadDocs/T208%202008%20-%20RPG%20Succ%20Rates%20by%20Med%20School%20Dept%20-%20R1058.xls