This paper shows the relationship between fibromyalgia severity and autoimmune thyroid disease:
Association between thyroid autoimmunity and fibromyalgic disease severity
Laura Bazzichi, Alessandra Rossi, Tiziana Giuliano, Francesca De Feo,
Camillo Giacomelli, Arianna Consensi, Antonio Ciapparelli,
Giorgio Consoli, Liliana Dell Osso, and Stefano Bombardieri.
Received: 13 March 2007 /Revised: 13 April 2007 /Accepted: 15 April 2007 / Published online: 9 May 2007
Clin Rheumatol (2007) 26:2115
DOI 10.1007/s10067-007-0636-8