PT - JOURNAL ARTICLE AU - Jonathan Kay AU - Rene Westhovens TI - Methotrexate: the gold standard without standardisation AID - 10.1136/ard.2008.102822 DP - 2009 Jul 01 TA - Annals of the Rheumatic Diseases PG - 1081--1082 VI - 68 IP - 7 4099 - http://ard.bmj.com/content/68/7/1081.short 4100 - http://ard.bmj.com/content/68/7/1081.full SO - Ann Rheum Dis2009 Jul 01; 68