Dai, Cong Tofacitinib as Induction and Maintenance Therapy for Ulcerative Colitis. [electronic resource] - The New England journal of medicine 08 2017 - 496 p. digital Publication Type: Letter; Comment ISSN: 1533-4406 Standard No.: 10.1056/NEJMc1707500 doi Subjects--Topical Terms: Colitis, UlcerativeHumansRemission Induction