PT - JOURNAL ARTICLE AU - Harry Bartfeld AU - Elizabeth Mahood AU - Edward F. Hartung TI - Evaluation of Haemagglutination Tests in the Diagnosis of Rheumatoid Arthritis AID - 10.1136/ard.17.1.83 DP - 1958 Mar 01 TA - Annals of the Rheumatic Diseases PG - 83--88 VI - 17 IP - 1 4099 - http://ard.bmj.com/content/17/1/83.short 4100 - http://ard.bmj.com/content/17/1/83.full SO - Ann Rheum Dis1958 Mar 01; 17