Serum Interleukin-6 Level is a Sensitive Parameter of Disease Activity in Rheumatoid Arthritis

E Sugiyama1, A Kuroda, F Hori

  • 1First Department of Internal Medicine (E.S., A.K., F.H., T.H., H.T., M.K.), Toyama Medical and Pharmaceutical University, Toyama, and Internal Medicine (N.A.), Takaoka City Hospital, Takaoka, Japan. This work was in part supported by the Japan Research Foundation for Clinical Pharmacology.