Liang M H, Socher S A, Roberts W N, Esdaile J M
Department of Rheumatology/Immunology, Harvard Medical School, Brigham and Women's Hospital, Robert B. Brigham Multipurpose Arthritis Center, Boston, MA 02115.
Arthritis Rheum. 1988 Jul;31(7):817-25. doi: 10.1002/art.1780310701.