EULAR report on the use of ultrasonography in painful knee osteoarthritis. Part 1: Prevalence of inflammation in osteoarthritis
M A D’Agostino, P Conaghan, M Le Bars, G Baron, W Grassi, E Martin-Mola, R Wakefield, J-L Brasseur, A So, M Backhaus, M Malaise, G Burmester, N Schmidely, P Ravaud, M Dougados, P Emery
Annals of the Rheumatic Diseases Dec 2005, 64 (12) 1703-1709; DOI: 10.1136/ard.2005.037994