%0 Journal Article %T Tumor necrosis factor-alpha polymorphism and susceptibility to juvenile idiopathic arthritis %A Bayraktar S %A Kasapcopur O %A Arisoy N %A Batar B %J Pediatric Rheumatology %D 2008 %I BioMed Central %R 10.1186/1546-0096-6-s1-p6 %U http://www.pres.org.uk