RT Journal Article SR Electronic T1 Local immune responses in certain extra-articular manifestations of rheumatoid arthritis. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 698 OP 701 DO 10.1136/ard.51.5.698 VO 51 IS 5 A1 J T Halla A1 R E Schrohenloher A1 W J Koopman YR 1992 UL http://ard.bmj.com/content/51/5/698.abstract AB