PT - JOURNAL ARTICLE ED - , TI - Heberden Society AID - 10.1136/ard.36.5.478 DP - 1977 Oct 01 TA - Annals of the Rheumatic Diseases PG - 478--483 VI - 36 IP - 5 4099 - http://ard.bmj.com/content/36/5/478.short 4100 - http://ard.bmj.com/content/36/5/478.full SO - Ann Rheum Dis1977 Oct 01; 36