Adamashvili Irena, Kelley Roger E, Pressly Thomas, McDonald John C
Department of Neurology, Louisiana State University Medical Center, P.O. Box 33932, Shreveport, LA 71130, USA.
Rheumatol Int. 2005 Sep;25(7):491-500. doi: 10.1007/s00296-005-0585-y. Epub 2005 Jun 29.