PT - JOURNAL ARTICLE ED - , TI - British Council AID - 10.1136/ard.20.1.89-b DP - 1961 Mar 01 TA - Annals of the Rheumatic Diseases PG - 89--90 VI - 20 IP - 1 4099 - http://ard.bmj.com/content/20/1/89.2.short 4100 - http://ard.bmj.com/content/20/1/89.2.full SO - Ann Rheum Dis1961 Mar 01; 20