Matsushima M, Suzuki T, Tajima K, Takagi A, Mine T
Internal Medicine (Gastroenterology) Internal Medicine (General Internal Medicine), Tokai University School of Medicine, Tokyo, Japan.
J Gastroenterol Hepatol. 2011 Feb;26(2):414. doi: 10.1111/j.1440-1746.2010.06607.x.