Elena Neumann, Birgit Riepl, Anette Knedla, Stephanie Lefèvre, Ingo H Tarner, Joachim Grifka, Jurgen Steinmeyer, Jurgen Schölmerich, Steffen Gay, Ulf Müller-Ladner
Arthritis Res Ther. 2010; 12(3): R83. Published online 2010 May 12. doi: 10.1186/ar3010