BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Review
Minireviews
Christos Dimitrios Kakos, Angelos Papanikolaou, Ioannis A Ziogas, Georgios Tsoulfas 
World J Gastrointest Surg 15(5):776-787. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.776
Fadl H Veerankutty, Kushan Sengupta, Mukul Vij, Ashwin Rammohan, Dinesh Jothimani, Ananthavadivelu Murali, Mohamed Rela 
World J Gastrointest Surg 15(5):788-798. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.788
Basic Study
Yuya Umebayashi, Satoru Muro, Masanori Tokunaga, Toshifumi Saito, Yuya Sato, Toshiro Tanioka, Yusuke Kinugasa, Keiichi Akita 
World J Gastrointest Surg 15(5):812-824. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.812
Case Control Study
Retrospective Cohort Study
Florin Zaharie, Dan Valean, Roxana Zaharie, Calin Popa, Emil Mois, Diana Schlanger, Alin Fetti, Claudiu Zdrehus, Andra Ciocan, Nadim Al-Hajjar 
World J Gastrointest Surg 15(5):847-858. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.847
Retrospective Study
Hiroshi Kono, Naohiro Hosomura, Hidetake Amemiya, Katsutoshi Shoda, Shinji Furuya, Hidenori Akaike, Yoshihiko Kawaguchi, Hiromichi Kawaida, Daisuke Ichikawa 
World J Gastrointest Surg 15(5):871-881. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.871
Observational Study
Systematic Reviews
George Stavrou, Persefoni Gionga, George Chatziantoniou, Georgios Tzikos, Alexandra Menni, Stavros Panidis, Anne Shrewsbury, Katerina Kotzampassi 
World J Gastrointest Surg 15(5):940-952. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.940
Meta-Analysis
Case Report
Cheng-Han Chiang, Kuan-Chih Chen, Benedict Devereaux, Chen-Shuan Chung, Kuei-Chang Kuo, Chien Chu Lin, Cheng-Kuan Lin, Hsiu-Po Wang, Kuo-Hsin Chen 
World J Gastrointest Surg 15(5):965-971. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.965
Eva Lieto, Annamaria Auricchio, Maria Paola Belfiore, Giovanni Del Sorbo, Gabriele De Sena, Vincenzo Napolitano, Alessio Ruggiero, Gennaro Galizia, Francesca Cardella 
World J Gastrointest Surg 15(5):972-977. Published online May 27, 2023. doi: 10.4240/wjgs.v15.i5.972