creator	Hirata, Shintaro; Hattori, Noboru; Ishikawa, Nobuhisa; Fujitaka, Kazunori; Kumagai, Kazuhiko; Taooka, Yasuyuki; Haruta, Yoshinori; Yokoyama, Akihito; Kohno, Nobuoki;
journal title	Modern Rhenmatology
volume	Volume 18
issue	Issue 1
date of issued	2008