PT - JOURNAL ARTICLE AU - JOHN LEOMBRUNO TI - The Challenges of Quantifying the Risk of Serious Infection with Tumor Necrosis Factor Antagonist Therapy AID - 10.3899/jrheum.100251 DP - 2010 May 01 TA - The Journal of Rheumatology PG - 887--889 VI - 37 IP - 5 4099 - http://www.jrheum.org/content/37/5/887.short 4100 - http://www.jrheum.org/content/37/5/887.full SO - J Rheumatol2010 May 01; 37