1. Abeles, M., Solitar, B. M., Pillinger, M. H., & Abeles, A. M. (2008). Update on fibromyalgia therapy. American Journal of Medicine, 121, 555–561.
2. Agency for Health Research and Quality. (2011). Healthcare Cost and utilization Project. Retrieved May 24, 2011, from
http://www.hcup-us.ahrq.gov/reports/statbriefs/sb105.jsp
.
3. Apkarian, A. V., Hashmi, J. A., & Baliki, M. N. (2011). Pain and the brain: Specificity and plasticity of the brain in clinical chronic pain. Pain, 152(3 Suppl), S49–S64.
4. Arendt-Nielsen, L., Nie, H., Laursen, M. B., Laursen, B. S., Madeleine, P., Simonsen, O. H., et al. (2010). Sensitization in patients with painful knee osteoarthritis. Pain, 149, 573–581.
5. Banks, S. M., & Kerns, R. D. (1996). Explaining high rates of depression in chronic pain: A diathesis-stress framework. Psychological Bulletin, 119, 95–110.