BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Frontier
Review
Minireviews
Milutin Bulajic, Salvatore Francesco Vadalà di Prampero, Ivo Boškoski, Guido Costamagna 
World J Gastrointest Surg 13(12):1584-1596. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1584
Karl-Heinrich Link, Marko Kornmann, Ludger Staib, Ernst-Dietrich Kreuser, Wilhelm Gaus, Erwin Röttinger, Peter Suhr, Catharina Maulbecker-Armstrong, Peter Danenberg, Kathleen Danenberg, Miriam Schatz, Silvia Sander, Zhen-Ling Ji, Jiang-Tao Li, Shu-You Peng, Reinhard Bittner, Hans Günther Beger, Benno Traub 
World J Gastrointest Surg 13(12):1597-1614. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1597
Retrospective Study
Gabriele Spoletini, Giuseppe Bianco, Antonio Franco, Francesco Frongillo, Erida Nure, Francesco Giovinazzo, Federica Galiandro, Andrea Tringali, Vincenzo Perri, Guido Costamagna, Alfonso Wolfango Avolio, Salvatore Agnes 
World J Gastrointest Surg 13(12):1628-1637. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1628
Francisco Javier Perez Lara, Rogelio Zubizarreta Jimenez, Francisco Javier Moya Donoso, Jose Manuel Hernández Gonzalez, Tatiana Prieto-Puga Arjona, Arturo del Rey Moreno, Maria Pitarch Martinez 
World J Gastrointest Surg 13(12):1638-1650. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1638
Antonella Delvecchio, Riccardo Inchingolo, Rita Laforgia, Francesca Ratti, Maximiliano Gelli, Massimiliano Ferdinando Anelli, Alexis Laurent, Giulio Vitali, Paolo Magistri, Giacomo Assirati, Emanuele Felli, Taiga Wakabayashi, Patrick Pessaux, Tullio Piardi, Fabrizio di Benedetto, Nicola de'Angelis, Javier Briceño, Antonio Rampoldi, Renè Adam, Daniel Cherqui, Luca Antonio Aldrighetti, Riccardo Memeo 
World J Gastrointest Surg 13(12):1696-1707. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1696
Observational Study
Sanja Stojsavljevic-Shapeski, Lucija Virovic-Jukic, Davor Tomas, Marko Duvnjak, Vedran Tomasic, Davor Hrabar, Dominik Kralj, Ivan Budimir, Neven Barsic, Neven Ljubicic 
World J Gastrointest Surg 13(12):1708-1720. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1708
Systematic Reviews
Angelo Gabriele Epifani, Diletta Cassini, Roberto Cirocchi, Caterina Accardo, Francesca Di Candido, Massimiliano Ardu, Gianandrea Baldazzi 
World J Gastrointest Surg 13(12):1721-1735. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1721
Georgios Geropoulos, Kyriakos Psarras, Dimitrios Giannis, Eirini Chrysovalantou Martzivanou, Maria Papaioannou, Christos Dimitrios Kakos, Efstathios Theodoros Pavlidis, Nikolaos Symeonidis, Georgios Koliakos, Theodoros Efstathios Pavlidis 
World J Gastrointest Surg 13(12):1736-1753. Published online Dec 27, 2021. doi: 10.4240/wjgs.v13.i12.1736