Cynthia S. Crowson, Elena Myasoedova, John M. Davis, III, Eric L. Matteson, Veronique L. Roger, Terry M. Therneau, Patrick Fitz-Gibbon, Richard J. Rodeheffer, Sherine E. Gabriel
J Rheumatol.
Author manuscript; available in PMC 2012 January 1.Published in final edited form as: J Rheumatol. 2011 January; 38(1): 29–35. Published online 2010 October 15. doi: 10.3899/jrheum.100346