RT Journal Article SR Electronic T1 Authors’ response: Association between IBD and Parkinson’s disease: seek and you shall find? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1722 OP 1722 DO 10.1136/gutjnl-2018-317336 VO 68 IS 9 A1 Marie Villumsen A1 Susana Aznar A1 Bente Pakkenberg A1 Tomasz Brudek A1 Tine Jess YR 2019 UL http://gut.bmj.com/content/68/9/1722.2.abstract AB