PT - JOURNAL ARTICLE AU - EMILY J. FOX AU - J. STEVEN LEEDER AU - SHUI Q. YE AU - MARA L. BECKER TI - Decreased Expression of Nicotinamide Phosphoribosyltransferase in Patients with Juvenile Idiopathic Arthritis Receiving Methotrexate AID - 10.3899/jrheum.120639 DP - 2013 May 01 TA - The Journal of Rheumatology PG - 741--742 VI - 40 IP - 5 4099 - http://www.jrheum.org/content/40/5/741.short 4100 - http://www.jrheum.org/content/40/5/741.full SO - J Rheumatol2013 May 01; 40