PT - JOURNAL ARTICLE ED - , TI - Journal summary AID - 10.1136/ard.49.9.655 DP - 1990 Sep 01 TA - Annals of the Rheumatic Diseases PG - 655--656 VI - 49 IP - 9 4099 - http://ard.bmj.com/content/49/9/655.short 4100 - http://ard.bmj.com/content/49/9/655.full SO - Ann Rheum Dis1990 Sep 01; 49