Sappati-Biyyani Raja Shekhar R, Kyprianou Annette, Ferguson D Roy
Division of Gastroenterology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio, USA.
Clin Gastroenterol Hepatol. 2011 May;9(5):A18. doi: 10.1016/j.cgh.2010.10.030. Epub 2010 Nov 9.