Hayashi Y, Yamamoto H, Kita H, Sunada K, Miyata T, Yano T, Sato H, Iwamoto M, Sugano K
Department of Internal Medicine, Division of Gastroenterology, Jichi Medical School, Tochigi, Japan.
J Gastroenterol Hepatol. 2006 Dec;21(12):1861. doi: 10.1111/j.1440-1746.2006.04788.x.