著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Nadia M T Roodenrijs and Maria J H de Hair and Marlies C van der Goes and Johannes W G Jacobs and Paco M J Welsing and Désirée van der Heijde and Daniel Aletaha and Maxime Dougados and Kimme L Hyrich and Iain B McInnes and Ulf Mueller-Ladner and Ladislav Senolt and Zoltan Szekanecz and Jacob M van Laar and György Nagy,Characteristics of difficult-to-treat rheumatoid arthritis: results of an international survey,Annals of the Rheumatic Diseases,0003-4967,BMJ,2018-09-07,77,12,1705-1709,https://cir.nii.ac.jp/crid/1360294645930761984,https://doi.org/10.1136/annrheumdis-2018-213687