Armstrong Matthew J, Ahmed Ruhina, Boulton Ralph
Liver Unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, United Kingdom.
Department of Gastroenterology, University Hospital Birmingham NHS foundation Trust, Birmingham, United Kingdom.
Gastroenterology. 2018 Jun;154(8):e21-e23. doi: 10.1053/j.gastro.2017.09.012. Epub 2017 Sep 23.