Refractory Takayasu arteritis responding to the oral Janus kinase inhibitor, tofacitinib. Issue 1 (23rd December 2019) - Yamamura, Yuriko; Matsumoto, Yoshinori; Asano, Yosuke; Katayama, Yu; Hayashi, Keigo; Ohashi, Keiji; Morishita, Michiko; Watanabe, Haruki; Takano-Narazaki, Mariko; Sada, Ken-Ei; Wada, Jun