RT Journal Article SR Electronic T1 Tofacitinib for the treatment of antineutrophil cytoplasm antibody-associated vasculitis: a pilot study JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1631 OP 1633 DO 10.1136/annrheumdis-2021-220484 VO 80 IS 12 A1 Yun Liu A1 Zongfei Ji A1 Wensu Yu A1 Sifan Wu A1 Huiyong Chen A1 Lili Ma A1 Zhenqi Ding A1 Lindi Jiang YR 2021 UL http://ard.bmj.com/content/80/12/1631.abstract AB