Umeda Junko, Itoi Takao, Ikeuchi Nobuhito
Department of Gastroenterology and Hepatology, Tokyo Medical University, Nishishinjuku, Shinjuku-ku, Tokyo, Japan.
Clin Gastroenterol Hepatol. 2010 Jul;8(7):e75-6. doi: 10.1016/j.cgh.2010.01.019. Epub 2010 Feb 6.