2017年11月 Urinary Activin A Is a Novel Biomarker Reflecting Renal Inflammation and Tubular Damage in ANCA-Associated Vasculitis American Society of Nephrology, Annual Meeting Yoshinori Takei, Shunsuke Takahashi, Masao Nakasatomi, Toru Sakairi, Hidekazu Ikeuchi, Yoriaki Kaneko, Keiju Hiromura, Yoshihisa Nojima, Akito Maeshima