Takeda Akihiko, Ban Shinichi, Yasumoto Akihiro, Ishikawa Keiko, Iseki Hiroyoshi, Takeuchi Hideki, Takahashi Norio, Koyama Isamu
Department of Surgery and Surgical Oncology, Saitama Medical University, Saitama, Japan.
Indian J Gastroenterol. 2007 Sep-Oct;26(5):213.