PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.1136/ard.24.2.189 DP - 1965 Mar 01 TA - Annals of the Rheumatic Diseases PG - 189--214 VI - 24 IP - 2 4099 - http://ard.bmj.com/content/24/2/189.short 4100 - http://ard.bmj.com/content/24/2/189.full SO - Ann Rheum Dis1965 Mar 01; 24