RT Journal Article SR Electronic T1 Correction: Tofacitinib for the treatment of moderately to severely active ulcerative colitis: a systematic review, network meta-analysis and economic evaluation JF BMJ Open Gastroenterology JO BMJ Open Gastro FD BMJ Publishing Group Ltd SP e000302corr1 DO 10.1136/bmjgast-2019-000302corr1 VO 7 IS 1 YR 2020 UL http://bmjopengastro.bmj.com//content/7/1/e000302corr1.abstract AB