Tapper Elliot B, Robson Simon C, Malik Raza
Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
J Hepatol. 2013 Oct;59(4):889-90. doi: 10.1016/j.jhep.2013.03.040. Epub 2013 May 10.