1. American College of Occupational and Environmental Medicine’s Stay-at-Work and Return-to-Work Process Improvement Committee, Christian, J., Martin, D., Brown, D., Colledge, A., Gean, C., et al. (2006). Introduction to ACOEM’s new work disability prevention guideline: “Preventing needless work disability by helping people stay employed”. Journal of Occupational and Environmental Medicine, 48(9), 972–987.
2. American College of Occupational and Environmental Medicine (ACOEM). (2008). Occupational medicine practice guidelines: Evaluation and management of common health problems and functional recovery in workers (3rd ed.). Beverly Farms, MA: OEM Health Information Press.
3. American Educational Research Association, the American Psychological Association, and the National Council on Measurement in Education. (2014). Standards for educational and psychological testing (3rd ed.). Washington, DC: American Educational Research Association, the American Psychological Association, and the National Council on Measurement in Education.
4. American Medical Association. (2008). Guides to the evaluation of permanent impairment (6th ed.). Chicago: American Medical Association.
5. American Psychiatric Association. (2013). Diagnostic and statistical manual on mental disorders, fourth edition, text revision (DSM-V). Washington, DC: American Psychiatric Association Press.