%0 Journal Article %T No benefit of the combination therapy etanercept and methotrexate compared to etanercept mono therapy in juvenile idiopathic arthritis ¨C a matched pair analysis %A Schmeling Heinrike %A Horneff Gerd %J Pediatric Rheumatology %D 2012 %I BioMed Central %R 10.1186/1546-0096-10-s1-a59 %U http://www.ped-rheum.com/content/10/S1/A59