PT - JOURNAL ARTICLE AU - Ajay Bhatia AU - Richard E Kast TI - Tumor necrosis factor (TNF) can paradoxically increase on etanercept treatment, occasionally contributing to TNF-mediated disease. DP - 2007 Feb 01 TA - The Journal of Rheumatology PG - 447--449 VI - 34 IP - 2 4099 - http://www.jrheum.org/content/34/2/447.short 4100 - http://www.jrheum.org/content/34/2/447.full SO - J Rheumatol2007 Feb 01; 34