Ferrell William R, Tennant Nicola, Baxendale Ronald H, Kusel Marion, Sturrock Roger D
Centre for Rheumatic Diseases, Royal Infirmary, Glasgow, and the Institute of Biomedical and Life Sciences, University of Glasgow, Scotland, UK.
Arthritis Rheum. 2007 Oct 15;57(7):1329-33. doi: 10.1002/art.22992.