BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Minireviews
Basic Study
Case Control Study
Retrospective Cohort Study
Retrospective Study
Kazuhiro Toriyama, Masahiro Tajika, Tsutomu Tanaka, Makoto Ishihara, Yutaka Hirayama, Sachiyo Onishi, Nobumasa Mizuno, Takamichi Kuwahara, Nozomi Okuno, Shinpei Matsumoto, Eiichi Sasaki, Tetsuya Abe, Yasushi Yatabe, Kazuo Hara, Keitaro Matsuo, Tsuneo Tamaki, Yasumasa Niwa 
World J Gastroenterol 25(46):6767-6780. Published online Dec 14, 2019. doi: 10.3748/wjg.v25.i46.6767
Randomized Controlled Trial