Okada Satoshi, Konishi Nakao, Tsumura Miyuki, Shirao Kenichiro, Yasunaga Shin'ichiro, Sakai Hidemasa, Nishikomori Ryuta, Takihara Yoshihiro, Kobayashi Masao
Rheumatology (Oxford). 2009 Jun;48(6):706-7. doi: 10.1093/rheumatology/kep061. Epub 2009 Apr 9.