BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Review
Minireviews
Yuki Kitano, Hiromitsu Hayashi, Takashi Matsumoto, Shotaro Kinoshita, Hiroki Sato, Yuta Shiraishi, Yosuke Nakao, Takayoshi Kaida, Katsunori Imai, Yo-ichi Yamashita, Hideo Baba 
World J Gastrointest Surg 13(8):756-763. Published online Aug 27, 2021. doi: 10.4240/wjgs.v13.i8.756
Kazuya Akahoshi, Keishi Komori, Kazuaki Akahoshi, Shinichi Tamura, Shigeki Osada, Yuki Shiratsuchi, Masaru Kubokawa 
World J Gastrointest Surg 13(8):772-787. Published online Aug 27, 2021. doi: 10.4240/wjgs.v13.i8.772
Juan Carlos Sebastián-Tomás, Aleix Martínez-Pérez, Elías Martínez-López, Nicola de'Angelis, Marcos Gómez Ruiz, Eduardo García-Granero 
World J Gastrointest Surg 13(8):834-847. Published online Aug 27, 2021. doi: 10.4240/wjgs.v13.i8.834
Retrospective Study
Observational Study
Orly Nadell Farber, Giselle I Gomez, Ashley L Titan, Andrea T Fisher, Christopher J Puntasecca, Veronica Toro Arana, Arielle Kempinsky, Clare E Wise, Kovi E Bessoff, Mary T Hawn, James R Korndorffer Jr, Joseph D Forrester, Micaela M Esquivel 
World J Gastrointest Surg 13(8):859-870. Published online Aug 27, 2021. doi: 10.4240/wjgs.v13.i8.859
Meta-Analysis