Cognitive–behavioural therapies and exercise programmes for patients with fibromyalgia: state of the art and future directions
S van Koulil, M Effting, F W Kraaimaat, W van Lankveld, T van Helmond, H Cats, P L C M van Riel, A J L de Jong, J F Haverman, A W M Evers
Annals of the Rheumatic Diseases May 2007, 66 (5) 571-581; DOI: 10.1136/ard.2006.054692
