Watanabe Ryu, Hirabayashi Yasuhiko, Okuno Hiroshi, Ishii Tomonori, Harigae Hideo
Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine , Sendai , Japan.
Mod Rheumatol. 2014 Nov;24(6):1028-9. doi: 10.3109/14397595.2013.844395. Epub 2013 Oct 21.