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) Jennie Ursum and Wouter H Bos and Nancy van Dillen and Ben AC Dijkmans and Dirkjan van Schaardenburg,Levels of anti-citrullinated protein antibodies and IgM rheumatoid factor are not associated with outcome in early arthritis patients: a cohort study,Arthritis Research & Therapy,1478-6354,Springer Science and Business Media LLC,2010,12,1,R8,https://cir.nii.ac.jp/crid/1362825895458087680,https://doi.org/10.1186/ar2907