Hamada Toshihide, Kosaka Keiichi, Shigeoka Naoya, Hashimoto Yoshimasa, Yamauchi Masami, Cho Sonde, Nakai Kuniharu, Ishimaru Shohei, Suenaga Kenji
Department of Gastroenterology, Miyoshi Central Hospital, 531 Higashisakeya, Miyoshi, Hiroshima 728-8502, Japan.
J Ultrasound Med. 2007 Jan;26(1):111-5. doi: 10.7863/jum.2007.26.1.111.