RT Journal Article SR Electronic T1 Uneventful pregnancy and neonatal outcome with tacrolimus in refractory ulcerative colitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1822 OP 1823 DO 10.1136/gut.2005.078972 VO 54 IS 12 A1 D C Baumgart A1 A Sturm A1 B Wiedenmann A1 A U Dignass YR 2005 UL http://gut.bmj.com/content/54/12/1822.2.abstract AB