Anil Kuchinad1, Petra Schweinhardt1, David A. Seminowicz1, Patrick B. Wood1, Boris A. Chizh, M. Catherine Bushnell: Accelerated Brain Gray Matter Loss in Fibromyalgia Patients: Premature Aging of the Brain?. The Journal of Neuroscience, 11 April 2007, 27(15):4004–4007. http://www.jneurosci.org/content/27/15/4004.full
A study of standard care in fibromyalgia syndrome: a favorable outcome. Fitzcharles MA, Costa DD, Pöyhiä R. Journal of Rheumatology. 30.1.2003 (1):154–9. http://www.ncbi.nlm.nih.gov/pubmed/12508406