Kennedy T, McCabe C, Struthers G, Sinclair H, Chakravaty K, Bax D, Shipley M, Abernethy R, Palferman T, Hull R
Royal Liverpool and Broadgreen University Hospital, UK.
Rheumatology (Oxford). 2005 Apr;44(4):553-6. doi: 10.1093/rheumatology/keh554. Epub 2005 Feb 22.