Musumba Crispin, Dey Debdeep, Richardson Paul
Department of Gastroenterology and Hepatology, The Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, United Kingdom.
Clin Gastroenterol Hepatol. 2013 Jul;11(7):e52-3. doi: 10.1016/j.cgh.2012.10.042. Epub 2012 Nov 8.