RT Journal Article SR Electronic T1 Decline of Acute Rheumatism JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 160 OP 172 DO 10.1136/ard.15.2.160 VO 15 IS 2 A1 R. A. N. Hitchens YR 1956 UL http://ard.bmj.com/content/15/2/160.abstract AB