BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Editorial
Review
J Alfredo Martínez, Marta Alonso-Bernáldez, Diego Martínez-Urbistondo, Juan A Vargas-Nuñez, Ana Ramírez de Molina, Alberto Dávalos, Omar Ramos-Lopez 
World J Gastroenterol 28(44):6230-6248. Published online Nov 28, 2022. doi: 10.3748/wjg.v28.i44.6230
Minireviews
Hisashi Iizasa, Andy Visi Kartika, Sintayehu Fekadu, Shunpei Okada, Daichi Onomura, Afifah Fatimah Azzahra Ahmad Wadi, Mosammat Mahmuda Khatun, Thin Myat Moe, Jun Nishikawa, Hironori Yoshiyama 
World J Gastroenterol 28(44):6249-6257. Published online Nov 28, 2022. doi: 10.3748/wjg.v28.i44.6249
Retrospective Study
Observational Study
Dajana Cuicchi, Liliana Gabrielli, Maria Lucia Tardio, Giada Rossini, Antonietta D’Errico, Pierluigi Viale, Tiziana Lazzarotto, Gilberto Poggioli 
World J Gastroenterol 28(44):6282-6293. Published online Nov 28, 2022. doi: 10.3748/wjg.v28.i44.6282
Randomized Controlled Trial
Kang Nyeong Lee, Oh Young Lee, Hoon Jai Chun, Jin Il Kim, Sung Kook Kim, Sang Woo Lee, Kyung Sik Park, Kook Lae Lee, Suck Chei Choi, Jae-Young Jang, Gwang Ha Kim, In-kyung Sung, Moo In Park, Joong Goo Kwon, Nayoung Kim, Jae Jun Kim, Soo Teik Lee, Hyun Soo Kim, Ki Bae Kim, Yong Chan Lee, Myung-Gyu Choi, Joon Seong Lee, Hwoon-Yong Jung, Kwang Jae Lee, Jie-Hyun Kim, Hyunsoo Chung 
World J Gastroenterol 28(44):6294-6309. Published online Nov 28, 2022. doi: 10.3748/wjg.v28.i44.6294
Letter to the Editor