PT - JOURNAL ARTICLE AU - Kirkham, J. AU - Lowe, J. AU - Bird, H. A. AU - Wright, V. TI - Serum histidine in rheumatoid arthritis: a family study AID - 10.1136/ard.40.5.501 DP - 1981 Oct 01 TA - Annals of the Rheumatic Diseases PG - 501--502 VI - 40 IP - 5 4099 - http://ard.bmj.com/content/40/5/501.short 4100 - http://ard.bmj.com/content/40/5/501.full SO - Ann Rheum Dis1981 Oct 01; 40 AB - We have compared free serum histidine in patients with rheumatoid arthritis, their blood relatives, and their non-blood relatives. The hypohistidinaemia of rheumatoid arthritis is acquired with the disease and does not provide a biochemical marker of those at risk.