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Open-Access Journal
Minireviews
Tossapol Kerdsirichairat, Eun Ji Shin 
World J Gastrointest Endosc 14(4):191-204. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.191
Mark Radlinski, Vanessa M Shami 
World J Gastrointest Endosc 14(4):205-214. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.205
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
Abhinav Sehgal, Soorya Aggarwal, Rohan Mandaliya, Thomas Loughney, Mark C Mattar 
World J Gastrointest Endosc 14(4):226-234. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.226
Observational Study
Mohamed H Emara, Mariam Zaghloul, Haidi Karam-Allah Ramadan, Salem Youssef Mohamed, Mohammed Tag-Adeen, Ahmed Alzamzamy, Mohamed Alboraie, Ahmad Madkour, Ahmed Youssef Altonbary, Tarik I Zaher, Ahmed Abo Elhassan, Nermeen Abdeen, Mohammed Hussien Ahmed 
World J Gastrointest Endosc 14(4):235-249. Published online Apr 16, 2022. doi: 10.4253/wjge.v14.i4.235
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