PT - JOURNAL ARTICLE AU - Philip H. N. Wood TI - The Frequency of the Rheumatic Diseases AID - 10.1136/ard.31.5.429-a DP - 1972 Sep 01 TA - Annals of the Rheumatic Diseases PG - 429--429 VI - 31 IP - 5 4099 - http://ard.bmj.com/content/31/5/429.1.short 4100 - http://ard.bmj.com/content/31/5/429.1.full SO - Ann Rheum Dis1972 Sep 01; 31