BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Review
Minireviews
Retrospective Cohort Study
Retrospective Study
Clinical Trials Study
Case Report
Yasumasa Matsuo, Hiroshi Yasuda, Hiroyasu Nakano, Miki Hattori, Midori Ozawa, Yoshinori Sato, Yoshiko Ikeda, Shun-Ichiro Ozawa, Masaki Yamashita, Hiroyuki Yamamoto, Fumio Itoh 
World J Gastrointest Endosc 9(2):91-94. Published online Feb 16, 2017. doi: 10.4253/wjge.v9.i2.91