RT Journal Article SR Electronic T1 Elevated interferon-gamma levels during pregnancy are associated with adverse maternofetal outcomes in IBD JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2019-319656 DO 10.1136/gutjnl-2019-319656 A1 Humberto Jijon A1 Aito Ueno A1 Nastaran Sharifi A1 Yvette Leung A1 Subrata Ghosh A1 Cynthia H Seow YR 2019 UL http://gut.bmj.com/content/early/2020/05/14/gutjnl-2019-319656.abstract AB