Yvonne C Lee, Lori B Chibnik, Bing Lu, Ajay D Wasan, Robert R Edwards, Anne H Fossel, Simon M Helfgott, Daniel H Solomon, Daniel J Clauw, Elizabeth W Karlson
Arthritis Res Ther. 2009; 11(5): R160. Published online 2009 October 29. doi: 10.1186/ar2842