PT - JOURNAL ARTICLE AU - RICHARD E. KAST AU - ERIC L. ALTSCHULER TI - Both Etanercept and Infliximab Can Elevate Tumor Necrosis Factor (TNF)-α and Be the Cause of Treatment Related New Onset Disease: the Need to Measure Circulating TNF-α DP - 2008 Aug 01 TA - The Journal of Rheumatology PG - 1679--1679 VI - 35 IP - 8 4099 - http://www.jrheum.org/content/35/8/1679.1.short 4100 - http://www.jrheum.org/content/35/8/1679.1.full SO - J Rheumatol2008 Aug 01; 35