Author J. Blackwell S. Saxena I. Petersen M. Hotopf H. Creese A. Bottle C. Alexakis R. Pollok Year of Publication 2020 DOI 10.1136/gutjnl-2020-322308 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS
