PT - JOURNAL ARTICLE AU - Ball, J. TI - Observations on the Presence of Rheumatoid Serum Factor in Skin and Other Tissues AID - 10.1136/ard.21.3.272 DP - 1962 Sep 01 TA - Annals of the Rheumatic Diseases PG - 272--278 VI - 21 IP - 3 4099 - http://ard.bmj.com/content/21/3/272.short 4100 - http://ard.bmj.com/content/21/3/272.full SO - Ann Rheum Dis1962 Sep 01; 21