Katz Jeffrey N, Simmons Barry P
Robert B. Brigham Arthritis Research Center, Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
N Engl J Med. 2002 Jun 6;346(23):1807-12. doi: 10.1056/NEJMcp013018.