BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Minireviews
Retrospective Cohort Study
Hirokazu Saito, Yoshihiro Kadono, Takashi Shono, Kentaro Kamikawa, Atsushi Urata, Jiro Nasu, Haruo Imamura, Ikuo Matsushita, Tatsuyuki Kakuma, Shuji Tada 
World J Gastrointest Endosc 14(4):215-225. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.215
Retrospective Study
Observational Study
Mohammed Hussien Ahmed, Nermeen Abdeen, Ahmed Abo Elhassan, Tarik I Zaher, Ahmed Youssef Altonbary, Ahmad Madkour, Mohamed Alboraie, Ahmed Alzamzamy, Mohammed Tag-Adeen, Salem Youssef Mohamed, Haidi Karam-Allah Ramadan, Mariam Zaghloul, Mohamed H Emara 
World J Gastrointest Endosc 14(4):235-249. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.235