Volkmann Elizabeth R, Rezai Shadi, Tarp Simon, Woodworth Thasia G, Furst Daniel E
Division of Rheumatology, Department of Medicine, University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, California;
J Rheumatol. 2013 Oct;40(10):1646-9. doi: 10.3899/jrheum.130019.