Headlam John, Ford Alexander C, Gracie David J
Leeds Gastroenterology Institute, St. James's University Hospital, Leeds, United Kingdom.
Leeds Gastroenterology Institute, St. James's University Hospital, Leeds, United Kingdom; Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, Leeds, United Kingdom.
Clin Gastroenterol Hepatol. 2017 Oct;15(10):1638. doi: 10.1016/j.cgh.2017.05.017. Epub 2017 May 18.