PT - JOURNAL ARTICLE ED - , TI - Corrections AID - 10.1136/ard.43.3.540-a DP - 1984 Jun 01 TA - Annals of the Rheumatic Diseases PG - 540--540 VI - 43 IP - 3 4099 - http://ard.bmj.com/content/43/3/540.1.short 4100 - http://ard.bmj.com/content/43/3/540.1.full SO - Ann Rheum Dis1984 Jun 01; 43