1. Reprints: Michael D. Hughson, MD, Department of Pathology, University of Mississippi Medical Center, 2500 N State St, Jackson, MS 39216-4505 (mhughson@pathology.umsmed.edu).
2. From the Departments of Pathology (Drs Hughson, He, and Henegar) and Medicine, Division of Rheumatology (Dr McMurray), University of Mississippi Medical Center, Jackson, Miss.