TY - JOUR A1 - Kravdal, Ø A1 - Magnus, P. A1 - Moum, B. A1 - Høivik, M.L. T1 - Association of childbearing with a short-term reduced risk of Crohn disease in mothers Y1 - 2020 DO - 10.1093/aje/kwz285 VL - 189 IS - 4 ER -