PT - JOURNAL ARTICLE AU - Kamermann, J. S. TI - Protective Effect of Traumatic Lesions on Rheumatoid Arthritis AID - 10.1136/ard.25.4.361 DP - 1966 Jul 01 TA - Annals of the Rheumatic Diseases PG - 361--363 VI - 25 IP - 4 4099 - http://ard.bmj.com/content/25/4/361.short 4100 - http://ard.bmj.com/content/25/4/361.full SO - Ann Rheum Dis1966 Jul 01; 25