Hamada Tsuyoshi, Tsujino Takeshi, Sasahira Naoki, Kogure Hirofumi, Isayama Hiroyuki, Hirano Kenji, Yamamoto Natsuyo, Tada Minoru, Koike Kazuhiko
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
Gastrointest Endosc. 2011 Sep;74(3):696-9. doi: 10.1016/j.gie.2011.04.030. Epub 2011 Jun 25.