Glass JM (December 2006). "Cognitive dysfunction in fibromyalgia and chronic fatigue syndrome: new trends and future directions". Current Rheumatology Reports. 8 (6): 425–29. doi:10.1007/s11926-006-0036-0. PMID17092441.
Buskila D, Cohen H (October 2007). "Comorbidity of fibromyalgia and psychiatric disorders". Current Pain and Headache Reports. 11 (5): 333–38. doi:10.1007/s11916-007-0214-4. PMID17894922.
Glass JM (December 2006). "Cognitive dysfunction in fibromyalgia and chronic fatigue syndrome: new trends and future directions". Current Rheumatology Reports. 8 (6): 425–29. doi:10.1007/s11926-006-0036-0. PMID17092441.
Buskila D, Cohen H (October 2007). "Comorbidity of fibromyalgia and psychiatric disorders". Current Pain and Headache Reports. 11 (5): 333–38. doi:10.1007/s11916-007-0214-4. PMID17894922.