RT Journal Article SR Electronic T1 Early changes in the pharmacokinetic profile of vedolizumab-treated patients with IBD may predict response after dose optimisation JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 178 OP 179 DO 10.1136/gutjnl-2017-315766 VO 68 IS 1 A1 Célia Gouynou A1 Lieven Pouillon A1 Hélène Rousseau A1 Camille Zallot A1 Cédric Baumann A1 Laurent Peyrin-Biroulet YR 2019 UL http://gut.bmj.com/content/68/1/178.abstract AB